John Deere 8270R

Last Updated: July 2024

Overview

The John Deere 8270R is a high-performance row-crop tractor with a 6-cylinder, 24-valve, liquid-cooled John Deere PowerTech PSS engine delivering a maximum power output of 256.8 hp and a maximum torque of 833 lb-ft with a 45.5% torque rise. It features a selective gear fixed ratio, full power shift transmission with 16 forward and 4 reverse gears. The engine is turbocharged and aftercooled, with a displacement of 548 cubic inches. The tractor has a 4x4 MFWD 4WD chassis, hydrostatic power steering, and a wheelbase of 118.9 inches. Key dimensions include a length of 245 inches, width of 137.3 inches, and height of 129.3 inches. The operating weight ranges from 27,553 to 32,691 pounds, with an unladen weight of 23,670 pounds and a maximum weight with ballast of 30,945 pounds. The cooling system capacity is 42.3 quarts. Additional features include emissions control with DOC, SCR, and regenerative DPF, a hydraulic flow rate of 84.2 GPM with combined pumps, and specific tire sizes (rear: four 480/80R46, front: two 420/90R30). The tractor has a three-point hitch (Category 3) at the rear, with a 1000 (1-3/4) PTO type and a closed-center, pressure-flow compensated hydraulic system. The static weight with an operator is 28,995 pounds, with a front axle weight of 10,855 pounds. The brakes are wet multiple disc, hydraulically operated.
Show more...

Key Specifications

Category: Row Crop

Power Output: 256.8

Transmission: selective gear fixed ratio, full power shift

Drive Type: MFWD 4WD

Operating Weight: 27553 to 32691

Fuel Type: diesel

John Deere 8270R vs. Similar Tractors

Power Output
Above Average
Greater than 85% of similar tractors.
Operating Weight
Excellent
Greater than 96% of similar tractors.

Technical Specifications

Engine

Manufacturer
John Deere
Model
PowerTech PSS
Cooling Type
liquid-cooled
Cylinder Orientation
inline
Valve Configuration
24-valve
Fuel Type
diesel
Induction Type
turbocharged aftercooled
Cylinders
6
Displacement (ci)
548
Bore (in)
4.661
Stroke (in)
5.354
Rated RPM
2100
Power Output (hp)
256.8

Transmission

Type
selective gear fixed ratio, full power shift
Forward Gears
16
Reverse Gears
4
Total Gears
-

Dimensions

Length (in)
245
Width (in)
137.3 (warning lamps)
Height (in)
129.3
Operating Weight (lb)
27553 to 32691

Power Take-Off (PTO)

PTO Type
1000 (1-3/4)
PTO Speed 1 (rpm)
-
PTO Speed 2 (rpm)
-
PTO Speed 3 (rpm)
-

Miscellaneous

Chassis
4x4 MFWD 4WD
Drive Type
MFWD 4WD
Steering Type
hydrostatic power
Coolant Capacity (qts)
42.3
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
-
Hitch Type
Three-Point Hitch
Hitch Category
Category 3
Hitch Position
Rear
Hitch Capacity (lb)
-
Operator Station Type
-
Starter Type
Electric Starter
Brake Type
-
Hydraulic System Type
Closed center, pressure-flow compensated

Test Results

Nebraska Tractor Test Laboratory - Test Date: May 3 to May 28, 2010

Maximum Power and Fuel Consumption

  • Maximum Power: 256.80 HP (191.50 kW) at 1749 rpm
  • Fuel Consumption at Maximum Power: 13.39 Gal/hr (50.69 l/h) with a fuel efficiency of 0.366 lb/hp.hr (0.223 kg/kW.h)
  • Fuel Efficiency at Standard PTO Speed (1000 rpm): 18.95 Hp.hr/gal (3.73 kW.h/l)

Drawbar Performance

  • Maximum Drawbar Power in 8th Gear: 204.64 HP (152.60 kW) with a drawbar pull of 16552 lbs (73.63 kN) and a speed of 4.64 mph (7.46 km/h)
  • Fuel Consumption at Maximum Drawbar Power: 0.424 lb/hp.hr (0.258 kg/kW.h) with a fuel efficiency of 16.56 Hp.hr/gal (3.26 kW.h/l)

Torque and Engine Performance

  • Maximum Torque: 833 lb.-ft. (1129 Nm) at 1501 rpm
  • Torque Rise: 45.5% with a power increase at 1749 rpm of 12.2%

Hydraulic Performance

  • Maximum Force Exerted Through Whole Range: 18326 lbs (81.5 kN)
  • Pump Delivery Rate: 62.9 GPM (238.0 l/min) at maximum hydraulic power with a delivery pressure of 2521 psi (174 bar)

Overall Efficiency

  • Fuel Efficiency at Rated Engine Speed (2100 rpm): 18.50 Hp.hr/gal (3.64 kW.h/l)
  • Fuel Consumption: 12.37 Gal/hr (46.82 l/h) at rated engine speed of 2100 rpm



Nebraska Tractor Test Lab. (2010). Test 1968: John Deere 8270R. Lincoln, NE: Nebraska Tractor Test Laboratory. Retrieved from https://digitalcommons.unl.edu/tractormuseumlit/2390