Service Repair Manual
Models
420D BACKHOE LOADER
420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420D BACKHOE LOADER MBH Configuration: 420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01493862
Drive and Steering Axle (Rear) - Install SMCS - 3020-012-RE
Installation Procedure
Illustration 1
g00775630
1. Install the sensor and bracket (28). Install 3 bolts (29) and the washers.
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 2
g00775627
2. Install pin (26) and washer (27). Install clip (25) .
Illustration 3
g00775621
3. Install cover (23). Install 3 bolts (22) .
Illustration 4
g00775620
4. Install bracket (21) for the parking brake.
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 5
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g00775608
5. Use a suitable lifting device in order to move the axle. Note: The axle weighs approximately 500 kg (1102 lb).
Illustration 6
g00775593
6. Use a hydraulic jack (19) in order to position the axle under the machine in the proper place.
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 7
g00775604
7. Install 4 nuts (20), the washers, and the plate. Repeat for the other side. 8. Move the hydraulic jack away from the rear axle.
Illustration 8
g00775570
9. Connect the wire for the sensor for the rear steer. Note: The wire is located in the area of the pointer.
Illustration 9
g00775484
10. Install 2 hydraulic hoses (13) on the top of the axle.
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 10
g00775540
11. Install 2 hydraulic hoses (11) on rear steering cylinder (12) .
Illustration 11
g00775573
12. Install 2 bolts (16) and pin (17) in order to install parking brake assembly (18) .
Illustration 12
g00775534
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13. Install 2 bolts (14) for bracket (15) for the manifold. Repeat for the other side of the bracket for the manifold.
Illustration 13
g00779594
14. Install two brackets (3) for the front of the drive shaft. Install four bolts (4) for the rear of the drive shaft. End By: Install the rear tires and wheels. See Disassembly and Assembly, "Tires & Wheels (Rear) - Remove and Install". Copyright 1993 - 2019 Caterpillar Inc.
Fri Nov 1 19:09:59 UTC+0800 2019
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420D BACKHOE LOADER MBH Configuration: 420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01499473
Final Drive (Drive and Steering Axle)(Rear) - Remove SMCS - 4050-011-RE
Removal Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
A
1P-2420
Transmission Stand
1
B
127-9304
Spanner
1
C
1U-6415
Three Jaw Puller
1
D
8B-7551
Bearing Puller
1
D
8B-7548
Crossbar
1
D
162-4206
Legs
2
D
8S-6586
Screw
1
Start By: A. Remove the rear tires and wheels. See Disassembly and Assembly, "Tires & Wheels (Rear) - Remove and Install". B. Remove the rear axle. See Disassembly and Assembly, "Drive and Steering Axle (Rear) Remove".
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 1
g00778178
1. Secure axle (1) to tooling (A) .
Illustration 2
g00778183
2. Remove final drive drain plug (2). Drain the final drive into a suitable container (3) .
Illustration 3
g00778197
3. Loosen two socket head bolts (4) .
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 4
g00778203
4. Separate planetary carrier (5) from hub (6) .
Illustration 5
g00778205
5. Use a suitable lifting device in order to remove planetary carrier (5) . Note: The weight of the planetary carrier is approximately 34 kg (75 lb).
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 6
g00780281
6. Remove snap ring (19) .
Illustration 7
g00780232
7. Remove washers (17) and (18) .
Illustration 8
g00780084
8. Loosen two hex head screws (10). Remove lock plate (11) .
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 9
g00780090
9. Use tooling (B) in order to remove slotted nut (12) .
Illustration 10
g00780094
10. Separate internal gear (13) from hub (14). Remove the bearing from the outside of hub (14) .
Illustration 11
g00780101
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11. Use tooling (C) in order to separate hub (14) from the housing for the steering knuckle . Note: The weight of tooling (C) is approximately 34 kg (75 lb).
Illustration 12
g00780121
12. Use tooling (D) in order to remove bearing (15) from the housing for the steering knuckle . Copyright 1993 - 2019 Caterpillar Inc.
Fri Nov 1 19:10:56 UTC+0800 2019
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420D BACKHOE LOADER MBH Configuration: 420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01499533
Final Drive (Drive and Steering Axle)(Rear) - Disassemble SMCS - 4050-015-RE
Disassembly Procedure Table 1 Required Tools Tool
Part Number
Part Description
Qty
A
8B-7554
Bearing Cup Puller
1
Start By: A. Remove the tires and wheels. See Disassembly and Assembly, "Tires & Wheels (Rear) Remove and Install". B. Remove the rear axle. See Disassembly and Assembly, "Drive and Steering Axle (Rear) Remove". C. Remove the final drive. See Disassembly and Assembly, "Final Drive (Drive and Steering Axle) - Remove".
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 1
g00780516
1. Remove snap ring (1) .
Illustration 2
g00780521
2. Use tooling (A) in order to remove planetary gear (2) .
Illustration 3
g00780523
3. Remove snap ring (3) and thrust washer (4) from the center of the planetary carrier.
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 4
3/4
g00780530
4. Remove bearing (5), O-ring (6), and bearing race (7) from hub (8) .
Illustration 5
g00780536
5. Turn over the hub. Pry out seal ring (9). Remove bearing race (10) from the bore of the hub.
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 6
4/4
g00780552
6. Remove two snap rings (11) from planetary gear. Remove two washers (12) and roller bearing (13) . Copyright 1993 - 2019 Caterpillar Inc.
Fri Nov 1 19:11:53 UTC+0800 2019
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420D BACKHOE LOADER MBH Configuration: 420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01504627
Final Drive (Drive and Steering Axle)(Rear) - Assemble SMCS - 4050-016-RE
Assembly Procedure
Illustration 1
g00780552
1. Install roller bearing (13), two washers (12), and two snap rings (11) .
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
Illustration 2
g00780605
2. Use a press in order to install the bearing race. Apply some 9S-3263 Thread Lock Compound to the outer diameter of seal (9). Use a press in order to install seal (9) .
Illustration 3
g00780617
3. Use a press in order to install bearing race (7). Install O-ring (6) .
Illustration 4
g00780523
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420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
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4. Install snap ring (3) and thrust washer (4) into the center of the planetary carrier.
Illustration 5
g00780516
5. Install the planetary gears. Secure the gears with snap ring (1) . Copyright 1993 - 2019 Caterpillar Inc.
Fri Nov 1 19:12:49 UTC+0800 2019
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2019/11/1
420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine(S...
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Shutdown SIS Previous Screen Product: BACKHOE LOADER Model: 420D BACKHOE LOADER MBH Configuration: 420D Backhoe Loader MBH00001-UP (MACHINE) POWERED BY 3054C Engine
Disassembly and Assembly 416D, 420D, 424D, 428D, 430D, 432D, 438D and 442D Backhoe Loaders Power Train Media Number -RENR3578-12
Publication Date -01/04/2010
Date Updated -13/04/2010
i01503434
Final Drive (Drive and Steering Axle)(Rear) - Install SMCS - 4050-012-RE
Installation Procedure
Illustration 1
g00780205
1. Install bearing (15) onto the housing for the steering knuckle.
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2019/11/1