Engine

Tractor model		5075E	5078E	5085E
Engine / Manufacturer		John Deere	John Deere	John Deere
Type		3029T	4045D	4045T
Power Supply		Turbocharged	Aspirated	Turbocharged
No. of cylinders		3	4	4
Displacement (L)		2,9	4,5	4,5
Compression rate		17:1
Engine power at rated speed		55 kW (74 hp)	57.4kW (77 hp)	62.5kW (84 hp)
Torque bulge		20,66%	17,00%	26,00%
Maximum Torque1		265 N·m (195.5 lb-ft)	267 N·m (196.9 lb-ft)	314 N·m (231.6 lb-ft)
Speed at maximum torque		1600 rpm	1600 rpm	1500 rpm
Maximum speed - rpm		2400 rpm
Injection pump type		Rotary	Rotary	Rotary
Brand / Model		Stanadyne / DP100	Stanadyne / DP100	Stanadyne / DP100