John Deere 8R 370

Last Updated: July 2024

Overview

The John Deere 8R 370 is a robust row-crop tractor designed for a variety of agricultural tasks. Equipped with a 9.0 L, 6-cylinder turbocharged diesel engine, it delivers a rated power of 370 hp and can reach up to 407 hp under certain conditions. The tractor includes a liquid cooling system and operates at an engine rated RPM of 2100. The transmission offerings include a full power shift with 23 forward gears and 11 reverse gears, as well as an infinitely variable transmission for precise control. This model has a chassis with 4x4 MFWD 4WD, making it quite capable in diverse terrain. The standard size for agricultural tires provided on this model are 420/85R34 for the front and 480/80R50 for the rear. The tractor's dimensions are quite significant, with a length of 252.8 inches and a cab height of 137.8 inches. The operating weight for this tractor is given at 29000 lbs. The tractor is designed with a closed-center pressure-flow compensated hydraulic system and power steering, aiding in efficiency and handling. With electronic high-pressure common rail fuel system and a 16.0:1 compression ratio, the tractor is engineered for performance and reliability. The 8R 370 caters to demanding tasks with its substantial power output and advanced technology. The presence of a cab suggests that operator comfort is taken into consideration, and the 12V electric starter system ensures ease of use.

Key Specifications

Category: Row Crop

Power Output: 325.05 (Rated at 2100 RPM) / 371.22 (Maximum at 1750 RPM)

Transmission: Infinitely variable with four mechanical ranges and automatic shifting between ranges

Drive Type: MFWD (Mechanical Front Wheel Drive)

Operating Weight: 29175 (with operator)

Fuel Type: Diesel

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John Deere 8R 370 Tractor

John Deere 8R 370 vs. Similar Tractors

Power Output

Excellent

Greater than 97% of similar tractors.

Operating Weight

Above Average

Greater than 80% of similar tractors.

Technical Specifications

Engine

Manufacturer: John Deere
Model: -
Cooling Type: Liquid-Cooled
Cylinder Orientation: -
Valve Configuration: -
Fuel Type: Diesel
Induction Type: Turbocharged
Cylinders: 6
Displacement (ci): 549
Bore (in): 4.66
Stroke (in): 5.35
Rated RPM: 2100
Power Output (hp): 325.05 (Rated at 2100 RPM) / 371.22 (Maximum at 1750 RPM)

Transmission

Type: Infinitely variable with four mechanical ranges and automatic shifting between ranges
Forward Gears: Infinitely Variable
Reverse Gears: Infinitely Variable
Total Gears: -

Dimensions

Length (in): 252.8
Width (in): -
Height (in): 137.8 (cab height)
Operating Weight (lb): 29175 (with operator)

Power Take-Off (PTO)

PTO Type: -
PTO Speed 1 (rpm): -
PTO Speed 2 (rpm): -
PTO Speed 3 (rpm): -

Miscellaneous

Chassis: 4x4 MFWD 4WD
Drive Type: MFWD (Mechanical Front Wheel Drive)
Steering Type: Power
Coolant Capacity (qts): -
Front Tire Diameter (in): -
Front Tire Width (in): -
Rear Tire Diameter (in): -
Rear Tire Width (in): -
Front/Rear Rim Diameter (in): -
Tire Type: Standard ag tires
Manufacture - End Year: -
Hitch Type: IVN/III
Hitch Category: -
Hitch Position: -
Hitch Capacity (lb): -
Operator Station Type: Cab
Starter Type: Electric
Brake Type: -
Hydraulic System Type: Closed-Center Pressure Flow Compensated

Test Results

Nebraska Tractor Test Laboratory - Test Date: October 1 to 13, 2020

Maximum Power and Fuel Consumption

Maximum Power (1 hour): 371.22 HP (276.82 kW) at 1750 rpm
Fuel Consumption at Maximum Power: 18.66 Gal/hr (70.65 l/h) with a fuel efficiency of 0.351 lb/hp.hr (0.214 kg/kW.h)
DEF Consumption at Maximum Power: 0.59 Gal/hr (2.25 l/h)

Drawbar Performance

Power at Rated Engine Speed (6.2 mph): 284.85 HP (212.41 kW) with a drawbar pull of 19312 lbs (85.90 kN) and a speed of 5.53 mph (8.90 km/h)
Fuel Consumption at Rated Speed: 0.420 lb/hp.hr (0.255 kg/kW.h) with a fuel efficiency of 16.63 Hp.hr/gal (3.28 kW.h/l)

Torque and Engine Performance

Maximum Torque: 1190 lb.-ft. (1614 Nm) at 1550 rpm
Torque Rise: 46.4% with a power increase at 1750 rpm of 14.2%

Hydraulic Performance

Maximum Force Exerted: 20254 lbs (90.1 kN) at hitch points
Pump Delivery Rate: 60.2 GPM (227.8 l/min) at minimum pressure and rated engine speed (single 85 cc pump)
Hydraulic Power: 89.8 HP (66.9 kW) at delivery pressure of 2525 psi (172 bar)

Overall Efficiency

Fuel Efficiency at Standard PTO Speed (1000 rpm): 19.32 Hp.hr/gal (3.81 kW.h/l)
Fuel Consumption: 18.34 Gal/hr (69.42 l/h) at 2000 rpm

NTTL.(2021). Nebraska OECD tractor test 2223 for John Deere 8R 370 IVT Diesel. Lincoln, NE:Nebraska Tractor Test Laboratory. Retrieved from http://tractortestlab.unl.edu