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Emission Standards
Emissions
UN ECE R96 Stage IIIA, Brazil MAR-1 -
Engine Dimensions - Approximate
Height
30.9 inLength
24.9 inWeight - Net Dry - Basic Operating Engine Without Optional Attachments
705 lbWidth
21.2 in -
General
Aftertreatment
-Aspiration
Turbocharged (T) and Turbocharged Aftercooled (TA)Bore
3.5 inCombustion System
Direct InjectionCompression Ratio
17.0:1Displacement
171 in³Engine Configuration
Inline 4, 4-Stroke-Cycle DieselRotation from Flywheel End
CounterclockwiseStroke
4.3 in -
Power Rating
Maximum Power
74 hpMaximum Torque
221 lb-ft @ 1600 rpmMinimum Power
67 hpRated Speed
2200-2400 rpm
Air Inlet System
- Induction manifolds
- Exhaust manifolds
Control System
- Starter motor (12V or 24V)
- Alternator (12V or 24V)
- Electronic Control Unit (chassis mounted)
- Engine control sensors and robust wiring harness
- Data interface via CANbus J1939
Flywheels and Flywheel Housing
- Flywheel housings – SAE 3 or SAE 4
- Choice of flywheel to match industry common hydraulic pumps and transmissions
- Side PTO with SAE A or SAE B interface
Fuel System
- Fuel filter – preconnected but chassis mounted
- With water sensor
Lube System
- Lubricating oil filters
- High incline oil pan – 35° continuous in all directions
General
- Cold start capability to -20° C (-4° F) with standard equipment
- Paint: Caterpillar yellow, with optional colors available at request