John Deere 4755

Last Updated: July 2024

Overview

The John Deere 4755 is a robust row-crop tractor powered by a turbocharged and intercooled, six-cylinder, liquid-cooled diesel engine with a displacement of 466 cubic inches. It delivers a rated power output of 177.11 HP at 2200 RPM and a maximum power of 180.35 HP at 2000 RPM. The tractor features a 16-speed Quadrange transmission with fixed gear ratio selective and partial power shift. It offers impressive torque performance with a maximum torque of 575 lb.-ft. at 1400 RPM and a torque rise of 35.9%. The hydraulic system boasts a pump delivery rate of 35.2 GPM at minimum pressure and 33.7 GPM at maximum hydraulic power with 1750 psi, providing 34.4 HP of hydraulic power. The three-point hitch lift force on the frame ranges from 8,700 lbs to 11,576 lbs, depending on the assist cylinder configuration. The tractor's operating weight is 16,030 lbs without ballast and 20,320 lbs with ballast. Additionally, the 4755 features a maximum sound level of 76.0 dB(A) in 4th gear and 76.5 dB(A) closest to transport speed.

Key Specifications

Category: Row Crop

Power Output: 177.11 (rated), 180.35 (maximum)

Transmission: 16-Speed Quadrange (Fixed gear ratio selective with partial power shift)

Drive Type: 2WD or 4WD

Operating Weight: 16,030 (without ballast), 20,320 (with ballast)

Fuel Type: Diesel

John Deere 4755 vs. Similar Tractors

Power Output

Average

Greater than 65% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: -
Cooling Type: Liquid-cooled
Cylinder Orientation: Inline
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged and intercooled
Cylinders: 6
Displacement (ci): 466
Bore (in): 4.5625
Stroke (in): 4.75
Rated RPM: 2200
Power Output (hp): 177.11 (rated), 180.35 (maximum)

Transmission

Type: 16-Speed Quadrange (Fixed gear ratio selective with partial power shift)
Forward Gears: 16
Reverse Gears: Unknown
Total Gears: -

Dimensions

Length (in): -
Width (in): 117.7
Height (in): 118.5
Operating Weight (lb): 16,030 (without ballast), 20,320 (with ballast)

Power Take-Off (PTO)

PTO Type: Independent with hydraulic clutch
PTO Speed 1 (rpm): 1000
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD or 4x4 MFWD 4WD
Drive Type: 2WD or 4WD
Steering Type: Power
Coolant Capacity (qts): 32
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Ag
Manufacture - End Year: 1991
Hitch Type: Three-Point Hitch
Hitch Category: III
Hitch Position: Rear
Hitch Capacity (lb): Up to 6,614 lbs with 44 mm lift assist cylinder, up to 7,057 lbs with 55 mm lift assist cylinder
Operator Station Type: Sound-Gard cab
Starter Type: Electric
Brake Type: Multiple wet disc hydraulically power actuated by foot pedal
Hydraulic System Type: Closed center

Test Results

Nebraska Tractor Test Laboratory - Test Date: September-October, 1989

Maximum Power and Fuel Consumption

Maximum Power (2 Hours): 180.35 HP (134.49 kW) at 2000 rpm
Fuel Consumption: 9.55 Gal/hr (36.17 l/h) with fuel efficiency of 0.366 lb/hp.hr (0.223 kg/kW.h)
Rated Engine Speed: 177.11 HP (132.07 kW) at 2200 rpm, 9.73 Gal/hr (36.82 l/h), 0.379 lb/hp.hr (0.231 kg/kW.h)

Drawbar Performance

Maximum Power (8th Gear, C2): 156.97 HP (117.05 kW) with a drawbar pull of 8441 lbs (37.55 kN) at 6.97 mph (11.22 km/h), slip 3.44%, 0.422 lb/hp.hr (0.257 kg/kW.h), 16.37 Hp.hr/gal (3.22 kW.h/l)
75% of Pull at Maximum Power (8th Gear, C2): 122.77 HP (91.55 kW) at a speed of 7.28 mph (11.72 km/h), 6325 lbs (28.13 kN), slip 2.28%, 0.448 lb/hp.hr (0.272 kg/kW.h), 15.43 Hp.hr/gal (3.04 kW.h/l)

Torque and Engine Performance

Maximum Torque: 575 lb.-ft. (779 Nm) at 1400 rpm
Torque Rise: 35.9% with an additional torque rise at 1000 engine rpm of 14%

Hydraulic Performance

Maximum Force Exerted: 9228 lbs (41.0 kN) at hitch points
Pump Delivery Rate: 35.2 GPM (133.2 l/min) at minimum pressure and 33.7 GPM (127.6 l/min) at maximum hydraulic power with 1750 psi (121 bar)
Hydraulic Power: 34.4 HP (25.7 kW)

Additional Specs

Fuel Type: No. 2 Diesel, Cetane No. 51.1, Specific gravity (0.8300)
Engine: John Deere Diesel, six-cylinder, turbocharged and intercooled, displacement 466 cu. in. (7634 ml)
Transmission: 16-Speed Quadrange

Nebraska Tractor Test Lab, "Test 1630: John Deere 4755 and 4760 Quadrange Diesel 16-Speed" (1989). Nebraska Tractor Tests. 1941. https://digitalcommons.unl.edu/tractormuseumlit/1941