Stage II/Tier 2 Base Engine 4 Cylinder

The development of the Dieselmax and Ecomax engine range is typical of JCB's reputation for innovation and quality. Focusing on core customer values and resulted in a 'best in class' engine for mid-range off-highway equipment.

  • Low cost of ownership
  • Exceptional transient performance – increasing productivity
  • High Torque at Low Engine Speed
  • Robust cylinder block and unique bedplate design
  • Simple mechanical fuel system
  • Low fuel consumption

Specifications

Displacement
4.4L
Peak Torque
Up to 695Nm
Rating
55kW (74hp) - 19kW (173hp)

55kW (74hp)

Naturally Aspirated 4 cylinder 4.4 litre engine with maximum torque of 305Nm (225 lb-ft)

 Maximum rating (gross intermittent)   55kW (74hp)  
 At speed   2390 rpm
 Peak Torque   305 Nm (225 lb-ft) 
 Peak Torque Speed   1200 rpm 
 Maximum no load governed speed   2390 rpm 
 Nominal Idling Speed   800 rpm 
 Thermodynamic Cycle
 Diesel 4 Stroke 
 Air Intake   NA 
 Arrangement   4.4L 
 Nominal bore  103 mm (4.06") 
 Stroke  132 mm (5.20") 

63kW (84hp)

Naturally Aspirated 4 cylinder 4.4 litre engine with maximum torque of 320Nm (236 lb-ft)

 

 Maximum rating (gross intermittent)   63kW (84hp)  
 At speed   2200 rpm
 Peak Torque   320 Nm (236 lb-ft) 
 Peak Torque Speed   1200 rpm 
 Maximum no load governed speed   2390 rpm 
 Nominal Idling Speed   800 rpm 
 Thermodynamic Cycle
 Diesel 4 Stroke 
 Air Intake   NA 
 Arrangement   4.4L 
 Nominal bore  103 mm (4.06") 
 Stroke  132 mm (5.20") 

74kW (99hp)

Turbocharged 4 cylinder 4.4 litre engine with maximum torque of 425Nm (315 lb-ft)

 

 Maximum rating (gross intermittent)   74kW (100hp)  
 At speed   2200 rpm
 Peak Torque   425 Nm (315 lb-ft) 
 Peak Torque Speed   1300 rpm 
 Maximum no load governed speed   2390 rpm 
 Nominal Idling Speed   800 rpm 
 Thermodynamic Cycle
 Diesel 4 Stroke 
 Air Intake   TC 
 Arrangement   4.4L 
 Nominal bore  103 mm (4.06") 
 Stroke  132 mm (5.20") 

93kW (125hp)

Turbocharged Aftercooled 4 cylinder 4.4 litre engine with maximum torque of 525Nm (387 lb-ft)

 Maximum rating (gross intermittent)   93kW (125hp)  
 At speed   2200 rpm
 Peak Torque   525 Nm (387 lb-ft) 
 Peak Torque Speed   1300 rpm 
 Maximum no load governed speed   2390 rpm 
 Nominal Idling Speed   800 rpm 
 Thermodynamic Cycle
 Diesel 4 Stroke 
 Air Intake   TCA 
 Arrangement   4.4L 
 Nominal bore  103 mm (4.06") 
 Stroke  132 mm (5.20")