4045DF120 Industrial Diesel Engine

4045DF120 Industrial Diesel Engine


  • PowerTech™
  • 63 kW (85 hp)
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Dynamically balanced crankshaft

  • Crankshafts are formed from nodular iron

Forged-steel connecting rods

  • Unique 45-degree design permits use of larger crankshaft connecting-rod bearings for increased durability

Self-adjusting poly-vee fan drive

  • Self-adjusting, eight-groove, poly-vee fan drive provides multiple fan drive ratios and fan heights that can be matched to specific application requirements
  • Poly-vee design provides more than twice the drive capacity of comparable vee-belts

Replaceable wet-type cylinder liners

  • Provides excellent heat dissipation
  • Precision machined for long life

Either-side service

  • Engine installation and maintenance simplified and convenient by providing dipstick and oil filter options on both sides of the engine

Standard gear auxiliary drive

  • Standard gear auxiliary drive produces up to 50 hp (37 kW) for gear-driven accessories

Mounting points

  • Standard front and side mounting points provide easy installation and application flexibility

Optional engine-balancer shafts

  • Provides smooth engine operation


Emissions certifications

Non-Emissions Certified

General engine data

Model 4045DF120
Number of cylinders 4
Displacement-- L (cu in) 4.5 (275)
Bore and Stroke-- mm (in) 106 x 127 (4.17 x 5.00)
Compression Ratio 17.6:1
Engine Type In-line, 4-Cycle
Aspiration Naturally aspirated
Length - mm (in) 860 (33.9)
Width-- mm (in) 612 (24.1)
Height-- mm (in) 846 (33.3)
Weight, dry - kg (lb) 387 (853)

Performance data range

Intermittent - Rated power/Rated speed 63 kW (84 hp) @2500 rpm
Intermittent - Peak power 63 kW (84 hp) @2500 rpm
Intermittent - Peak torque 306 N·m (226 ft-lb) @1300 rpm
Intermittent - Torque rise NA