Tier 4 Final Base Engine

The development of the EcoMAX range of diesel engines reflects JCB's reputation for innovation and quality and is recognized as the 'best in class' engine solution for mid-range off-highway equipment. JCB base engines are suited to mobile applications and offer unrivaled reliability, extended service intervals, high efficiency and excellent fuel economy.

Features

  • Increased up time
  • No exhaust aftertreatment required for 74 hp (55 kW) Tier 4 FINAL
  • Exceptional transient performance
  • Increased torque levels at low speed, to 295 lbf (400 Nm)
  • Constant power curve feature
  • Reduced whole life costs

Specifications

Displacement
4.4/4.8 L
Peak Torque
Up to 509 lbf
Up to 690Nm
Rating
74 hp
55 kW

145 hp (108 kW) to 173 hp (129 kW)

Maximum rating (gross intermittent) 145 hp (108 kW) 173 hp (129 kW)

At speed 2,200 RPM 2,050 RPM

Peak Torque 413 lbf (560 Nm) 509 lbf (690 Nm)

Peak Torque Speed 1,500 RPM 1,500 RPM

Maximum no load governed speed 2,450 RPM 2,450 RPM

Nominal Idling Speed 850 RPM 850 RPM

Thermodynamic Cycle Diesel 4 Stroke Diesel 4 Stroke

Air Intake TCAE TCAE

Arrangement 4.8 L 4.8 L

Nominal bore 4.17" (106 mm) 4.17" (106 mm)

 Stroke 5.31" (135 mm) 5.31" (135 mm)                    

74 hp (55 kW)

Maximum rating (gross intermittent) 74 hp (55 kW)

At speed 2,200 RPM

Peak torque 295 lbf (400 Nm)

Maximum no load governed speed 2,200 RPM

Nominal idling 850 RPM

Thermodynamic Cycle Diesel 4 stroke

Air Intake TCAE

Arrangement 4.4 L

Nominal bore 4.06" (103 mm)

Stroke 5.20" (132 mm)

91 hp (68 kW) to 125 hp (93 kW)

 Maximum rating (gross intermittent) 91 hp (68 kW) 108 hp (81 kW) 125 hp (93 kW)

At speed 2,200 RPM 2,200 RPM 2,200 RPM

Peak Torque 319 lbf (433 Nm) 380 lbf (516 Nm) 406 lbf (550 Nm)

Peak Torque Speed 1,500 RPM 1,500 RPM 1,500 RPM

Maximum no load governed speed 2,450 RPM 2,450 RPM 2,450 RPM

Nominal Idling Speed 850 RPM 850 RPM 850 RPM

Thermodynamic Cycle Diesel 4 stroke Diesel 4 stroke Diesel 4 stroke

Air Intake TCAE TCAE TCAE

Arrangement 4.4 L 4.4 L 4.4 L

Nominal bore 4.06" (103 mm) 4.06" (103 mm) 4.06" (103 mm)

Stroke 5.20" (132 mm) 5.20" (103 mm) 5.20" (103 mm)