John Deere 4055

Last Updated: July 2024

Overview

The John Deere 4055 row-crop tractor was produced from 1988 to 1992 in Waterloo, Iowa, USA. It featured a liquid-cooled, turbocharged, 6-cylinder diesel engine with a displacement of 466 cubic inches, producing a maximum power output of 112.27 horsepower at 1950 rpm. The tractor had a partial power shift transmission with 15 forward and 6 reverse gears. Key performance metrics from independent testing include a maximum torque of 347 lb-ft at 1200 rpm with a 33.3% torque rise, and a maximum drawbar power of 92.79 horsepower in 7th gear. The hydraulic system delivered 32.0 horsepower at 2100 psi with a pump flow rate of 27.0 GPM. Sound levels varied based on operating conditions, with a maximum of 77.0 dB(A) measured at transport speed. Detailed tire specifications and drawbar performance data are also available.

Key Specifications

Category: Row Crop

Power Output: 112.27

Transmission: Partial Power Shift

Operating Weight: 13955

Fuel Type: Diesel

John Deere 4055 vs. Similar Tractors

Power Output

Average

Greater than 33% of similar tractors.

Operating Weight

Poor

Greater than 6% 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
Cylinders: 6
Displacement (ci): 466
Bore (in): 4.56
Stroke (in): 4.75
Rated RPM: 2200
Power Output (hp): 112.27

Transmission

Type: Partial Power Shift
Forward Gears: 15
Reverse Gears: 6
Total Gears: -

Dimensions

Length (in): 158.3
Width (in): 95.7
Height (in): 116.1 (Cab)
Operating Weight (lb): 13955

Power Take-Off (PTO)

PTO Type: Independent with hydraulic clutch
PTO Speed 1 (rpm): 1002
PTO Speed 2 (rpm): 1000
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x2 2WD
Drive Type: -
Steering Type: Power Steering
Coolant Capacity (qts): 27.1
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: -
Manufacture - End Year: 1992
Hitch Type: Category II
Hitch Category: Category 3
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: Sound-Gard Cab
Starter Type: Electric
Brake Type: Differential hydraulic wet disc
Hydraulic System Type: Closed Center

Test Results

Nebraska Tractor Test Laboratory - Test Date: April-May, 1989

Maximum Power and Fuel Consumption

Maximum Power: 112.27 HP (85.72 kW) at 1950 rpm
Fuel Consumption at Maximum Power: 6.43 Gal/hr (24.54 l/h) with a fuel efficiency of 0.396 lb/hp.hr (0.241 kg/kW.h)
Rated Engine Speed (PTO speed—1002 rpm): 109.18 HP (81.41 kW) at 2200 rpm, fuel consumption of 6.65 Gal/hr (25.16 l/h)

Torque and Engine Performance

Maximum Torque: 347 lb.-ft. (471 Nm) at 1200 rpm
Torque Rise: 33.3%
Torque Rise at 1000 engine rpm: 31%

Drawbar Performance

Maximum Power (7th Gear): 92.79 HP (69.19 kW) with a drawbar pull of 7848 lbs (35.84 kN) and a speed of 4.43 mph (7.14 km/h)
Fuel Consumption: 0.493 lb/hp.hr (0.300 kg/kW.h) with a fuel efficiency of 14.02 Hp.hr/gal (2.76 kW.h/l)
Power at Reduced Engine Speed (9th Gear): 50.20 HP (37.45 kW) with a fuel efficiency of 12.35 Hp.hr/gal (2.43 kW.h/l)

Hydraulic Performance

Maximum Force Exerted (SAE Static Test): 9833 lbs (43.7 kN) at hitch points with lift assist cylinder
Pump Delivery Rate: 27.0 GPM (102.2 l/min) at minimum pressure
Hydraulic Power: 32.0 HP (23.8 kW) at a delivery pressure of 2100 psi (145 bar)

Additional Insights

Sound Level with Cab:
Gear closest to 4.7 mph (7.5 kmlh)—7th Gear: 74.5 dB(A)
Maximum sound level: 75.5 dB(A)
Transport speed—no load—15th Gear: 77.0 dB(A)
Bystander in 15th Gear: 87.0 dB(A)

Nebraska Tractor Test Lab.(1989). Test 1617: John Deere 4055 Powershift Diesel 15-Speed. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/1928