Engine - Engine and crankcase

The engine brake activated when the pedal left the clutch depressed.

Air Induction - cross flow cylinder head

The cylinder head the cross flow inlet one side and exhaust the other This and four valves per cylinder give excellent breathing ability and ficient perature The air supplied the inlet a gate turbocharger a V ariable Geometry T urbocharger

Astegate Turbocharger

WThe wastegate turbocharger allows for a larger bocharger installed producing higher boost sures the low and midrange rpm while not over - boosting high

Intake pressure builds against a diaphragm the gate and opens a valve allowing exhaust bypass the turbine therefore slowing the compressor and limiting the pressure the intake

Electronically V ariable Geometry T urbocharger (eVGT)

The electronically V ariable Geometry T urbocharger (eVGT) used the TIER and TIER and The eVGT electronically controlled the Engine Control Unit (ECU).

The eVGT uses a series aerodynamic vanes direct exhaust toward the turbine controlling both the velocity and angle the exhaust contacts the This gives the ECU the ability dynamically the boost pressure any given engine speed and Improving performance and fuel economy

Fully open the velocity slows and the angle decreased therefore the turbine and compressor turn slower producing less When the vanes close increasing the velocity and therefore increasing turbine and pressor speed, producing higher boost anytime needed across the entire operating range the

Engine - Engine and crankcase

Edc17cv41

A new Engine Control Unit (ECU) used TIER the used FPT engines from the L NEF the L Cursor® t has two electrical connectors: one for the engine components and one for the tractor connections. Pin connections will common for all the CNH / FPT engines using this controller

T ractor connector

Engine connector

The EDC17CV41 controls all engine and Selective Catalytic Reduction (SCR)

Lubrication System

Oil pressure controlled a 5 bar ( 72.5 psi ) relief valve (1) the oil galley coming from the gear type oil pump (2) located behind the rear cover the The oil pump also has over pressurization relief valve (3) set approximately bar ( 145 psi )

A 5 bar ( psi ) oil pressure control valve (1) located the left hand side the The oil pump assembly (2) includes over pressurization relief valve (3) that protects the The valve opens 9.4 –10.8 bar ( 136.3

156.6 psi ) .

481 15485 21/04/2017 10.1 [10.001]

Blow - recirculation

Blow - controlled a rotary filter bolted the rear the As the cam turns excess oil thrown f centrifugal finer oil filtered

The blow - then passes through the center the camshaft and exits the

This filter must replaced regular intervals the gine will build excessive pressure the crank

RAIL15TR00366AA

Built into the cover the front a valve that allows blow - pressures out, but will not allow atmospheric pressure into the

This filtered air directed back into the inlet and -

RAIL15TR00377BA

Connecting Rods

Connecting rods must all the same weight class The weight class identified a color swatch the connecting

There are three classes crankshaft bearing diameters (bore size) the connecting The bore size marked a color code the rod. The oil clearance mined the connecting rod bore size and the crankshaft journal Based connecting rod bore diameter and the crankshaft journal diameter a bearing set must

Connecting rods are the fracture split Care must taken when handling these rods any damage the cap / rod mating area requires that the rod replaced.

Connecting rod class and color

Bore diameter and color designation - Y ellow - Green 3450 – 3470 grams

Grade Y ellow - Blue - Y ellow - Green 3471 – 3490 grams

3491 – 3510 grams

Grade Green - Blue - Y ellow - Green

Grade Blue - Blue

Fracture split rods give nearly perfect both examples the red (rod) profiles are identical are the blue (cap) the top example the rod fits perfectly with the the lower example the rod the same position but the cap here the material peaks align peak peak and keeps cap from mating with the rod.

RAIL15TR00397CA

RAIL15TR00375AA

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Crankshaft

• The crankshaft are classified three classes: there are three classes for the connecting rod journals and three classes for the main

• The crankshaft journal sizes are stamped the rear flyweight for both the connecting rod journals and the main journals.

• Six digits for the connecting rods and seven digits for the

• The crankshaft may have been grounddersize from the factory A (1) preceding the six digits a standard crankshaft, a (2) preceding for a shaft that has been ground

CRANKIDENTIFY connecting rod bearing under - size crankshaft connecting rod bearing selection rod bore

Standard crankshaft main bearing selection

0.127 under - size crankshaft main bearing selection

With the variables the bearing selection process, always a good idea use a plastic gauge test each journal for proper