The development of the DIESELMAX and ECOMAX engine ranges are typical of JCB's reputation for innovation and quality. Focusing on core customer values has resulted in a best-in-class engine for mid-range off-highway equipment. JCB has a unique position where we can offer a base engine for mobile applications with class-leading reliability, long service intervals, high efficiency, and excellent fuel economy.
The Stage V JCB engine is available in models 430 and 448. The Stage V 430 delivers 55kW (74hp) with a class-leading 440Nm (325lb-ft) of torque at just 1,150rpm. Stage V 448 delivers 81kW-129kW (109hp-173hp) with maximum torque of 690Nm (509lb-ft) at 1,500rpm.
The 430 engine is 24% smaller, 30% lighter but with 10% higher torque output than its Stage 444 predecessor. It also boasts 8% real world fuel saving.
A new integrated glow plug cold start system is fitted as standard onto the 430 to aid starting at cold temperatures.
Compact, industrial engines – delivers high torque even at low rpm.
Compact after-treatment canisters.
TIER 4
Turbocharged Aftercooled Electronic 4-cylinder 4.4 litre engine delivers 55kW (74hp) with maximum torque of 440Nm (325 lb-ft).
This truly innovative engine solution is designed specifically for heavy duty, off-highway applications.
Less displacement, same class leading performance.
US Tier 4 compliant without aftertreatment.
Low fuel consumption.
STAGE IV - TIER 4 - BS IV (UN EQUIVALENT)
The Stage IV engine is avaliable in models 444 and 448. The Stage IV 444, 4-cylinder 4.4 litre engine and 448 4.8 litre engine delivers 68kW-129kW (91hp-173hp) with maximum torque of 690Nm (508lb-ft).
By working without OEM customers the JCB base engine range has been engineered to be packaged in the most efficient way.
Tried and tested: proven DIESELMAX heavy duty cylinder block and bedplate.
The Stage IIIB engine is avaliable in models 444 and 448. The Stage IIIB 444, 4-cylinder 4.4 litre engine and 448 4-cylinder 4.8 litre engine delivers 68kW-129kW (91hp-173hp) with maximum torque of 690Nm (509lb-ft).
Low friction: innovative bearing and power conversion component design.
Reduced servicing: automatic valve adjusters and a lifelong CCV system.
Robust performance: designed for high power and torque outputs.
Gasket free component sealing arragements.
STAGE IIIA - TIER 3 - BS III - CPSB II (UN EQUIVALENT)
The Stage IIIA is avaliable in models 444 and 672. The Stage IIIA 444, 4-cylinder 4.4 litre Turbocharged Aftercooled engine delivers 55kW-120kW (74hp-161hp) maximum torque of 655Nm (483lb-ft). Stage IIIA 672, is a 6-cylinder 7.2 litre engine delivering 165kW-221kW (188hp-284hp) with maximum torque of 1,150Nm (848lb-ft) at 1,500rpm.
Advanced and highly developed combustion and air handling systems allow the most efficient operation whilst producing ultra-low, in-cylinder emissions.
Efficient - JCB engines are renowned for fuel economy and productivity.
The 672 model has a high level of component commonality with the 444 and 448 models.
The Stage II is avaliable in models 444 and 672. The Stage II 444, 4-cylinder 4.4 litre Turbocharged Aftercooled engine delivers 63kW- 93kW (84hp-125hp) with maximum torque of 525Nm (387lb-ft). Stage II 672, is a 6-cylinder 7.2 litre engine delivering 140kW- 212kW (188hp-284hp) with maximum torque of 1,150Nm (848lb-ft) at 1,400rpm.
Heavy duty engine with common customer installation interface points across the product family.
Efficient combustion process gives exceptional fuel economy.
STAGE IV - TIER 4 - BS IV (UN EQUIVALENT)
STAGE IIIB - TIER 4I - BS IV (UN EQUIVALENT)
STAGE IIIA - TIER 3 - BS III - CPSB II (UN EQUIVALENT)
STAGE II - TIER 2 - BS II CPCB I (UN EQUIVALENT)
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