Engine Specifications

Engine Power rated according to SAE J1995.

Engine
Model	4044M, 4044R	4052M, 4052R	4066M 4066R
Engine Manufacturer	Yanmar	Yanmar	Yanmar
Engine Model	4TNV88C-MJT	4TNV86CT-MJT	4TNV86CHT-MJT
Type	Diesel	Diesel	Diesel
Gross Horsepower	31.7 kW (43.1 hp)	37.9 kW (50.8 hp)	48.5 kW (65 hp)
Manufacturer’s Estimated PTO Horsepower	24.2 kW (32.5 hp)	29.35 kW (39.9 hp)	38.3 kW (52 hp)
Low Idle Speed	950 rpm	950 rpm	950 rpm
Rated Engine Speed	2600 rpm	2600 rpm	2600 rpm
High Idle	2750 rpm	2750 rpm	2750 rpm
Operating Range	950—2750 rpm	950—2750 rpm	950—2750 rpm
Engine Torque @ Rated Speed	117 N·m (86.07 lb·ft)	139 N·m (102.71 lb·ft)	178 N·m (131.64 lb·ft)
Maximum Torque @ 1690 rpm	99.6—107.7 lb·ft (13.8—14.9 kgf)	118.7—129.1 lb·ft (16.4—17.8 kgf)	146—159.3 lb·ft (20.2—22 kgf)
Displacement	2.189 L (133.58 in3)	2.091 L (127.6 in3)	2.091 L (127.6 in3)
Cylinders	Four	Four	Four
Cooling System	Water Pump	Water Pump	Water Pump
Oil Filter	Single Element	Single Element	Single Element
Air Cleaner	Dry Type with Safety Element	Dry Type with Safety Element	Dry Type with Safety Element