Aufsitzmäher_Baron 4WD_Hydraulic Schematics by Walker Vertriebs AG

Tuff Torq K664 & KXH10N

KXH10N

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

Axle Torque (ft lb) Reduction Ratio Tire Diameter (in.) Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) Hand (Fender) Features: Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

664/K664J & KXH10N Schematics K664C/K664J (Rear drive)

KXH10NC (Front steering unit)

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

664/K664J & KXH10N Schematics K664C/K664J (Rear drive)

KXH10NC (Front steering unit)

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

664/K664J & KXH10N Schematics K664C/K664J (Rear drive)

KXH10NC (Front steering unit)

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

4WD Hydrostatic transmission layout

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

Rear view of KXH10N front axle

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

Internal view of dual motor unit

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

Internal view of bevel gearbox

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K71E

K71G

K71J

K92A

K92B

K92C

X X

Filter change and oil drain procedure to K664 2. Remove cap to access and change oil filter

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors 3. K71E Change filterK92A K71G oilK71J

SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

K92B

K92C

X X

1. Remove oil drain bolts from gear & hydro chambers

Oil adding procedure to K664

Remove Cap and fitting

Oil adding procedure to K664 Pour oil into HST chamber

Pour oil into gear chamber

Oil adding procedure to K664 Reinstall fitting

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors SPECIFICATIONS

K46Q K46AA Reinstall cap 171 171

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

K66AC

K664C

K664J

171 28.04:1 20

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

279 33.5:1 22

279 405 405 405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 20 23 23 23 26 26 26

K71E

K71G

K71J

K92A

K92B

K92C

28.04:1 20

171 28.04:1 20

7 11 0,75

10 10 1,00

18 18 1,00

18 18 1,18

X X X X

X X X X X

X X

X X X X X

X X X

X X

Front and rear speed ratio adjustment procedure 1. Place tractor's Front and Rear Axles on jack stands with wheels off floor. Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton 2. Adjust steering to straight. Tractors 3. Bitmap Loosen 2 bolts and make a gap 1 K46Q K46AA SPECIFICATIONS between Plate A and Plate B. K46BF K46BL K46BP K46CW K57A/K57K K66L K66AC K664C K664J K71E K71G K71J K92A K92B K92C Axle Torque (ft lb) 171 171 171 171 188 188 188 310 310 279 279 405 405 405 651 651 651 4. Reduction Start Ratio engine and fix28.04:1 the speed control 28.04:1 28.04:1 28.04:1 lever. 31.68:1 28.04:1 31.68:1 37.22:1 37.22:1 33.5:1 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 Tire Diameter (in.) 20 20 20 20 22 20 22 23 23 22 20 23 23 23 26 26 26 (Max. position is best) Displacement Pump (cc/rev) 7 7 7 7 7 7 7 10 10 10 10 18 18 18 18 18 18 5. Lock and measure Motor Right (cc/rev) Front wheel, 11 11 11 11 Left 11 11 11 10 10 10 10 18 18 18 18 18 18 Axle Shaft Diameter (in) 0,75 0,75 0,75 0,75 0,75 0,75 0,75 1,00 1,00 1,00 1,00 1,00 1,00 1,00 1,18 1,18 1,18 Front wheel speed (rpm) Direction/Speed Control Foot (Pedal) X X X X X X X X X X X X X X X 6. Calculate Front RightX wheel speed by Hand (Fender) X Features: multiplying Left Front wheel speed by 0.99. X X X Internal Damper System X X X External Damper X X X X X X X X X 7. Lock Left Front wheel, and measure Right Automatic Traction Control X X X X X X X X X X X X X X X X FrontDifferential wheelLockspeed (rpm). External Hydraulics X X X X X X X X External Filter Change Right Front wheel speed to X X X X X X X X 8. Bitmap Adjust 2X External Expansion Reservior X X X calculated value by adjustingX fulcrum. X Internal Reservoir Housing X X X X X Rear PTO X 9. When measured value equals calculated Mechanical 4WD X X value, lock fulcrum. 10. Bitmap Position Plate A against Plate B and tighten the 2 bolts. 1

Trouble Shooting K664 - KXH10N 4WD System Problem

Possible Cause

Solution

Incorrect F/R Speed Ratio setting

See “Procedure F/R Speed Ratio Adjustment for KXH10N”.

Air remains in Hydraulic and/or Front Steering See “4WD system Oilinto filling Briggs Procedure”.& Stratton Specifications of Tuff Torq Hose Transmission Models Incorporated Axle/Rear Transmission. Tractors Incorrect Oil/Oil Level in Reservoir SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

Axle Torque (ft lb) 171 171 171 171 188 188 188 28.04:1 28.04:1 28.04:1 28.04:1 31.68:1 28.04:1 31.68:1 Reduction Ratio Brake20dragging or partially engaged Tire Diameter (in.) 20 20 20 22 20 22 Displacement Pump (cc/rev) 7 7 7 7 7 7 7 Motor (cc/rev) 11 11Drive11 11 of adjustment, 11 11 Frayed 11 or Transmission Belt out Axle Shaft Diameter (in) 0,75 0,75 0,75 0,75 0,75 0,75 0,75 rubbing somewhere Direction/Speed Control Foot (Pedal) X X X X X X Fan cracked,Xbroken or striking something Transmission Hand (Fender) Noisy Features: X X X Internal Damper System X X X External Damper Bearing on Idler Pulley worn excessively Automatic Traction Control X Differential Lock External Hydraulics Input Shaft Pulley loose or damaged External Filter Change External Expansion Reservior X X X Internal Reservoir Housing X X X X Rear PTO Mechanical 4WD

K66L 310 37.22:1 23 10 10 1,00

Check Oil level in Reservoir. K66AC K664C K664J K71E K71G - SAE 5W50 Synthetic Motor Oil

310 37.22:1 Brake 23

K71J

K92A

K92B

K92C

279 279 405 405 405 651 651 651 33.5:1 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 Linkage broken, binding23or out23of adjustment. 22 20 23 26 26 26

- Make necessary corrections or adjustment. 10

1,00

1,18

18 18 1,18

10 necessary 10 10 18 18 18 Make corrections or18adjustment.

18 18 1,18 X

Inspect Fan for damage. - Check for Fan Blade interference. Make necessary corrections.

X X X

X X Pulley Components. X X X X X Inspect Idler - Make necessary X X X X X X corrections. X X X X X X

X X X X X Input ShaftX X

Inspect Pulley, Pulley Splines, Snap Rings and X X X X X X Splines for damage. - Make necessary corrections. X X Notes: If Input Shaft Splines are damaged or worn, Transmission replacement may be necessary. X

X X X

By-pass Valve Lever angle located in wrong position.

Repair or replace K664 Transmission.

Internal damage to Rotating Groups or Gear Assembly (Rear Transmission or Front Steering Axle)

K664 or Front Steering Axle replacement or repair is required.

Trouble Shooting K664 - KXH10N 4WD System

Problem Specifications

Possible Cause of Tuff Torq Transmission Models Incorporated intoSolution Briggs & Stratton Poor Cooling Air Flow – Faulty and/or damaged Tractors Inspect Fan/Pulley for damage. Fan/Pulley

SPECIFICATIONS

K46Q

K46AA

K46BF

K46BL

K46BP

Axle Torque (ft lb) 171 171 171 171 188 188 188 28.04:1 28.04:1 28.04:1 28.04:1 31.68:1 28.04:1 31.68:1 Reduction Ratio Incorrect in Transmission Tire Diameter (in.) 20Oil/Oil 20Level20 20 22 20 22 Displacement Pump (cc/rev) 7 7 7 7 7 7 7 Motor (cc/rev) 11 11 11 11 11 11 11 Accumulation of Grass and other debris in Cooling Fins Axle Shaft Diameter (in) 0,75 0,75 0,75 0,75 0,75 0,75 0,75 Transmission Direction/Speed Control Foot (Pedal) X X X X X X Transmission Hand (Fender) X Transmission Drive Belt out of adjustment or damaged Features: Overheating X X X Internal Damper System X X X External Damper Brake dragging or partially engaged Automatic Traction Control X Differential Lock External Hydraulics External Filter Change By-pass Valve Lever angle located in wrong position. External Expansion Reservior X X X Internal Reservoir Housing X X X X Rear PTO Internal damage to Rotating Groups Mechanical 4WD

Incorrect F/R Speed Ratio setting

- Check Mounting Hardware. K66AC K664C K664J K71E K71G - Make necessary corrections. 310 310 279 279 405 405

K46CW K57A/K57K

K66L

37.22:1 37.22:1 33.5:1 23 Check 23 Oil Level 22

K71J

- SAE 5W50 Synthetic Motor Oil

10 10 10 10 18 10 10 10 10 18 Clean Transmission/Vehicle 1,00 1,00 1,00 1,00 1,00 X

K92A

K92B

K92C

405 651 651 651 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 in20Reservoir. 23 23 23 26 26 26

18 18 18 18 of 1,00 accumulated debris. 1,00 1,18 1,18 X

18 18 1,18

Make necessary corrections/adjustment. X X X

X Linkage X X X X Brake broken, bent, binding orXout of Xadjustment. X X X X X X - Make orXadjustments.X X necessary corrections X X X X

X X

Repair of replace K664 Transmission.

X X

See “Procedure F/R Speed Ratio Adjustment for KXH10N”.

X X X X X X X X

Trouble Shooting K664 - KXH10N 4WD System

Problem

Possible Cause

Solution

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Brake Linkage broken, bent, binding or disconnected Clean and inspect transmission for accumulated debris and Tractors worn linkage components. SPECIFICATIONS Axle Torque (ft lb) Brake Does Not Reduction Ratio Tire Diameter (in.) Function Correctly Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) Hand (Fender) Features: Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change Creeps in Neutral External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

K46Q

K46BL

K46BP

K46CW K57A/K57K

171 171 171 171 28.04:1 28.04:1 Brake28.04:1 out of 28.04:1 adjustment 20 20 20 20

K46AA

K46BF

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

7 11 0,75

10 10 1,00

Brake Rod bent7 or binding 7 7 7 11 11 11 Return Spring broken11

0,75

7 11 0,75

K66L

X X bent or X binding X X X X Speed Control Linkage X

Transmission Speed Control Arm failed X

X X Neutral Xsetting out of adjustment

X X X

X X

Internal damage to Shift Control Shaft, Swash plate and components, Thrust Metals and Neutral Return Spring

K66AC

K664C

K664J

K71E

K71G

K71J

K92A

K92B

K92C

310 279 279 405 405 405 651 651 651 37.22:1 33.5:1 33.5:1 26.673:1 adjustment. 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 See procedure for proper 23 22 20 23 23 23 26 26 26

Remove debris.18 10 10accumulated 10 18 18 18 10 18 18 18 18 - 10 Repair10or replace damaged components. 1,00 1,00 1,00 1,00 1,00 1,00 1,18 - Adjust Brake Linkage per proper procedure. X

Remove accumulated debris. - Repair or replace damaged components. X X X X X X - Adjust Shift Linkage per proper procedure. X X X X X X

Replace or missing X Xdamaged X X X components.X X X X X X X Linkage per proper procedure. Make necessary adjustment. Repair or replace K664 Transmission.

18 18 1,18

X X X Adjust X X X X

X X X ShiftX X X X X

Trouble Shooting K664 - KXH10N 4WD System Problem

Possible Cause

Solution

Control Linkage bent or binding - Remove accumulated debris. SpecificationsSpeed of Tuff Torq Transmission Models Incorporated into Briggs & Stratton - Repair or replace damaged components. Tractors - Adjust per proper adjustment. SPECIFICATIONS Axle Torque lb) Hard(ftShifting Reduction Ratio Tire Diameter (in.) Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) Hand (Fender) Features: Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change Input Shaft/Pulley Will External Expansion Reservior Internal NotReservoir Turn Housing Rear PTO Mechanical 4WD

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

Incorrect Oil/Oil171 Level171 in Transmission 171 171 188 188 28.04:1 20

28.04:1 20

31.68:1 22

28.04:1 20

188 31.68:1 22

K66L 310 37.22:1 23

Internal damage 7 7 7 to Shift 7 Control 7 Shaft, 7 Swash 7 Plate and 10 Components, Thrust Metals and Return 11 11 11 11 11 Neutral 11 11 Spring 10 0,75

0,75

1,00

X Drive Belt out of adjustment, worn, frayed or Transaxle missing X X X X X X

Idler Pulley seized, binding or worn Grass or other Debris interference X X X

X X X

K66AC

Repair10or 10 10 10 1,00 1,00

K664J

K71E

K71G

K71J

replace K664 10 18 Transmission 18 18

Internal Damage to Rotating Groups, Center Case and Differential Assembly

K92B

K92C

10 1,00

18 1,00

18 18 1,18

X X X X Inspect Idler Pulley Components. –X MakeXnecessary X X X X X corrections. X X X X X X X X

Clean Transmission/Vehicle of accumulated debris.

Input Shaft Splines damaged externally or Internally

K92A

Inspect Drive Belt. – Replace and/or adjust by following proper procedure.

K664C

Check279 Oil Level 310 279 in Reservoir. 405 405 405 651 651 651 37.22:1 33.5:1 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 -23SAE 5W50 Synthetic Motor Oil 22 20 23 23 23 26 26 26

Repair or replace K664 Transmission.

X X X X X X X X

Trouble Shooting K664 - KXH10N 4WD System

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Problem Possible Cause Tractors Solution SPECIFICATIONS Axle Torque (ft lb) Reduction Ratio Tire Diameter (in.) Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) HandNo (Fender) Drive Features: Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

K46Q K46AA K46BF or K46BL K46CW K57A/K57K Incorrect Oil Level no OilK46BP in transmission 171 28.04:1 20

171 28.04:1 20

K66L

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

310 37.22:1 23

Transmission Drive Belt out of adjustment, worn, frayed 7 7 7 7 7 7 10 or7 missing

11 11 11 11 0,75 Speed 0,75 Control0,75 Shaft 0,75 Roll

Transmission X

0,75 or missing 0,75 Pin0,75 sheared on1,00 X

K66AC K664COil K664J K71E K71G K71J Check Level in Reservoir. 310 – 37.22:1 23

10 10 1,00Replace 1,00 X

Parking Brake engaged X

Input Shaft Splines damaged X X X

K92B

K92C

651 651 651 28.125:1 28.125:1 28.125:1 26 26 26

1,00 1,00damaged 1,00 1,00 Pin.1,18 missing or Roll X

18 1,18

Disengage Parking Brake.

Speed Control Linkage broken, bent, disconnected orX X X binding

K92A

Inspect Drive Belt. – Replace and/or adjust by following 10 proper 10 procedure. 10 18 18 18 18 18 18

279 279 405 405 405 SAE 5W50 Synthetic Motor Oil 33.5:1 33.5:1 26.673:1 26.673:1 26.673:1

X X

Internal damage to Pump Rotating Groups, Center Case.

X X X X X

Repair missing orX damaged parts. X and/or replace X X X X X

X X X X

X X Repair or replace K664 Transmission

X X X X

X X

X X X X X X X X

Trouble Shooting K664 - KXH10N 4WD System

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Tractors Problem

SPECIFICATIONS Axle Torque (ft lb) Reduction Ratio Tire Diameter (in.) Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) No Drive Hand (Fender) Features: One Direction Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

K46Q

K46AA

K46BF

Possible Cause

K46BL

K46BP

K46CW K57A/K57K

171 171 171 171 188 Speed Control Linkage bent188 or Binding 28.04:1 28.04:1 28.04:1 28.04:1 31.68:1 28.04:1 20

188 31.68:1 22

Transmission Speed Control Arm failed or worn

K66L 310 37.22:1 23

7 7 7 7 7 7 7 10 Internal Binding Control Lever, Swash 11 11 11damage 11 to Speed 11 11 11 10 0,75 0,75 Components, 0,75 0,75 Thrust 0,75 Metals 0,75 (Bearing 0,75 Pads), 1,00 Plate and

Rotating Groups or Center Case. X X X X

K66AC

K664C

K664J

K71E

Solution

K71G

K71J

K92A

K92B

K92C

310 279 279 405 405 405 651 651 651 Repair and/or replace missing or damaged parts. 37.22:1 33.5:1 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 23 22 20 23 23 23 26 26 26

Repair and/or replace missing or damaged parts.

10 10 10 18 18 18 18 K664 Transmission. 10 Repair 10 or Replace 10 18 18 18 18 1,00 1,00 1,00 1,00 1,00 1,00 1,18 X

X X X X X

18 18 1,18

X X X X X

X X

X X X X X

X X X

By-pass Valve activated or By-pass Valve Components damaged of No Drive) X Forward X X X X (In case X X X Groups, X Internal Damage to Rear Axle Motor Rotating X Center Case and Differential Assembly

Internal Damage X X to Front Axle Motor X Rotating Groups, X X X X Center Case and GearX Assembly

X X

Repair or Replace Front Steering Axle.

Trouble Shooting K664 - KXH10N 4WD System

Problem Possible Cause Solution& Stratton Specifications of Tuff Torq Transmission Models Incorporated into Briggs Tractors Incorrect Oil/Oil Level Check Oil Level in Reservoir. SPECIFICATIONS Axle Torque (ft lb) Reduction Ratio Tire Diameter (in.) Displacement Slow Down Under Pump (cc/rev) Heavy Load Motor (cc/rev) Axle Shaft Diameter (in) and/or Direction/Speed Control Foot (Pedal)Ambient at High Hand (Fender) Temperature Features: Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

K46Q

K46AA

K46BF

K46BL

K46BP

K46CW K57A/K57K

K66L

171 171 Drive 171Belt 171 188 188 188or frayed. 310 Transaxle out of Adjustment, worn

28.04:1 20

31.68:1 22

Inadequate (Insufficient) 7 7 7 7 Cooling 7 11 0,75

11 0,75

28.04:1 20

31.68:1 22

37.22:1 23

7 11 0,75

10 10 1,00

Brake draggingXor partially engaged X X X X

- SAE 5W50 Synthetic Motor Oil

K66AC

Transmission is overloaded X

Loss of Engine RPM

Internal damage to Rotating Groups or Center Case X X

X X

K71E

K71G

K71J

K92A

K92B

K92C

18 18 18 18 of1,18 adjustments. 1,18

Repair and/or replace missing or damaged parts. X

X X X X X

X X X

Reduce Load. – Allow Transmission to cool. X

K664J

Transmission Overheating Problem. 10 See 10 10 18 18 18 18 10 10 10 18 18 18 18 bent, or1,18 out 1,00Brake 1,00Linkage 1,00 broken, 1,00 1,00 binding 1,00

K664C

310 Inspect 279 Drive 279 Belt.405 405 405 651 651 – Replace and/or adjust by651 following 37.22:1 33.5:1 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 proper procedure. 23 22 20 23 23 23 26 26 26

X X X

X X X X X

Repair X Engine. Repair or replace X X

X X

X X X K664 X X

X X X X X Transmission. X X

X X

Trouble Shooting K664 - KXH10N 4WD System Problem

Possible Cause

Solution

Axle/Wheel Hub slipping

Check Keys for proper Installation. – Make necessary corrections.

Specifications of Tuff Torq Transmission Models Incorporated into Briggs & Stratton Incorrect Oil/Oil Level Check Oil Level in Reservoir. Tractors - SAE 5W50 Synthetic Motor Oil SPECIFICATIONS

K46Q

Axle Torque (ft lb) Reduction Ratio Tire Diameter (in.) Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) Hand (Fender) Low Power Both Features: Direction Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

K46BL K46BP EngineK46AA RPM K46BF not maximum

171 28.04:1 20

K46CW K57A/K57K

188 31.68:1 22

188 28.04:1 20

188 31.68:1 22

7 bent11or 0,75

7 11 binding 0,75

K66L 310 37.22:1 23

Brake dragging or engaged 7 7 7 7 7 11 11 11 11 broken, 11 Speed Control Linkage 0,75 0,75 0,75 0,75 0,75 X

10 10 1,00

X X onX

Pulley Drive Belt out of Adjustment, worn or frayed X X

Engine or Transmission Pulley loose or damaged respective Shafts X

X X

By-pass Valve partially activated

X X

K66AC

K664J RepairK664C Engine.

K71E

K71G

K71J

K92A

K92B

K92C

310 279 279 405 405 405 651 651 651 37.22:1 33.5:1 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 Brake Linkage33.5:1 broken, bent, binding or out of adjustments. 23 22 20 23 23 23 26 26 26

Repair and/or replace missing or damaged Parts. 10

1,00

1,18

18 18 1,18

10 10 10 18 18 or damaged 18 18Parts.18 Repair and/or replace missing

Inspect Drive Belt. – Replace and/or adjust by following proper procedure.

X X X and Snap X X Inspect Pulleys, PulleyX Splines Rings. - XMake X X X X X X X X necessary corrections. X X X X X X X X X X X worn, X K664X Notes: IfXInput Shaft Splines are damaged or X X X X X X X X Transmission replacement may be required.

Close By-pass Valve.

X X

X X X

Internal damage to Rotating Groups, Swash Plate & Components and Center Case.

Repair or replace K664 Transmission.

Incorrect F/R Speed Ratio setting

See “Procedure F/R Speed Ratio Adjustment for KXH10NC”.

Trouble Shooting K664 - KXH10N 4WD System

Specifications of Tuff Torq Possible Transmission Models Incorporated into Briggs Problem Cause Solution & Stratton Tractors Axle/Wheel Hub slipping Check Keys for proper Installation. â&#x20AC;&#x201C; make necessary SPECIFICATIONS Axle Torque (ft lb) Reduction Ratio Tire Diameter (in.) Displacement Pump (cc/rev) Motor (cc/rev) Axle Shaft Diameter (in) Direction/Speed Control Foot (Pedal) Low(Fender) Power One Hand Features: Direction Internal Damper System External Damper Automatic Traction Control Differential Lock External Hydraulics External Filter Change External Expansion Reservior Internal Reservoir Housing Rear PTO Mechanical 4WD

K46Q

K46BL

K46BP

K46CW K57A/K57K

171 171 171 171 Incorrect Oil/Oil 28.04:1 28.04:1 28.04:1Level 28.04:1 20 20 20 20

K46AA

K46BF

188 31.68:1 22

188 28.04:1 20

7 7 7 7 7 7 11 11 11 11 11 11 0,75 0,75 0,75 or partially 0,75 0,75 0,75 Brake dragging engaged

K66L

188 31.68:1 22

310 37.22:1 23

7 11 0,75

10 10 1,00

corrections. K66AC K664C K664J

K71E

K71G

K71J

K92A

K92B

K92C

310 279 279 405 405 405 651 651 651 Check Oil Level Reservoir. 37.22:1 33.5:1 33.5:1 in 26.673:1 26.673:1 26.673:1 28.125:1 28.125:1 28.125:1 23 22 20 23 Motor 23 Oil 23 26 26 26 - SAE 5W50 Synthetic 10 10 10 18 18 18 18 Brake 10 Linkage broken, bent, binding or18 out of18 10 10 18 18 18 18 adjustments. Repair missing or 1,00 1,00 1,00 1,00 and/or 1,00 replace 1,00 1,18 1,18

18 18 1,18

damaged parts. X

X Speed Control Linkage broken, bent or binding X X X X X By-pass ValveXpartially activated X

Internal Damage to Rear Axle Motor Rotating Groups, Center Case X

Internal Damage to Front Steering Axle Motor Rotating Groups, Center Case

Repair and/or replace missing or damaged parts. X X X

Repair or replace K664 Transmission. X X X X X X X Repair X Xor X X

replace X X

X X K664 X X

X X X Transmission. X X

X X X X X

X X X

Repair or replace Front Steering Axle.