John Deere 870D Motor Grader

Circle

Blade Tip Angle – Front 42 degrees
Blade Tip Angle – Rear 5 degrees
Diameter 60 in (152 cm)
Max Lift Above Ground 17 in (44 cm)
Max Reach Outside Tires – Left 91 in (232 cm)
Max Reach Outside Tires – Right 91 in (231 cm)
Rotation 360 degrees
Shift Left 31 in (79 cm)
Shift Right 29 in (73 cm)

Dimensions

Blade Base 8 ft (3 m)
Front Ground Clearance 2 ft (1 m)
Height to Top of Isomount Cab 11 ft (3 m)
Overall Length 29 ft (9 m)
Tandem Axle Wheelbase 5 ft (2 m)
Wheelbase 20 ft (6 m)
Width Over Tires 8 ft (3 m)

Engine

Aspiration Turbocharged with air-to-air aftercooler
Displacement 494 cu in (8,095 cu cm)
Engine Model 6081H
Max Power 235 hp (175 kw)
Net Power Gear 1-2 180 hp (134 kw)
Net Power Gear 4-6 185 hp (138 kw)
Net Power Gear 5-6 200 hp (149 kw)
Net Power Gears 7-8 235 hp (175 kw)
Net Torque Gears 1-2 731 lbs ft (991 nm)
Net Torque Gears 3-4 793 lbs ft (1,075 nm)
Net Torque Gears 5-6 835 lbs ft (1,132 nm)
Net Torque Gears 7-8 913 lbs ft (1,238 nm)
Number of Cylinders 6
Power Measured @ 2000 rpm
Torque Measured @ 1000 rpm

Front Axle

Ground Clearance 2 ft (1 m)
Oscillation – Total 32 degrees
Wheel Lean 20 degrees

Hydraulic System

Pump Flow 55 gpm (207 lpm)
Pump Type Variable-displacement piston
Relief Valve Pressure 2750 psi

Moldboard

Blade Pull at Max Weight 29,319 lbs (13,299 kg)
Moldboard Height 27 in (69 cm)
Moldboard Thickness 1 in (3 cm)
Moldboard Width 14 ft (4 m)
Side Shift Left 27 in (68 cm)
Side Shift Right 27 in (68 cm)

Operating Specifications

Alternator Supplied Amperage 100 amps
Circle Gearbox Fluid Capacity 2 gal (6 l)
Cooling System Fluid Capacity 13 gal (49 l)
Fuel Capacity 106 gal (401 l)
Hydraulic System Fluid Capacity 14 gal (53 l)
Max Operation Weight – Front Axle 16,023 lbs (7,268 kg)
Max Operation Weight – Rear Axle 32,576 lbs (14,776 kg)
Max Operation Weight – Total 48,620 lbs (22,054 kg)
Operating Voltage 24 volts
Rear Diff/Final Drive Fluid Capacity 10 gal (36 l)
Std Operation Weight – Front Axle 9,200 lbs (4,173 kg)
Std Operation Weight – Rear Axle 25,550 lbs (11,589 kg)
Std Operation Weight – Total 34,750 lbs (15,762 kg)
Tandem Case Fluid Capacity (each) 20 gal (76 l)
Tire Size 14.00R24 Radial PR
Transmission Fluid Capacity 6 gal (23 l)

Steering System

Articulation Angle 22 degrees
Turning Radius 23 ft (7 m)

Transmission

Max Speed – Forward 26 mph (41 kph)
Max Speed – Reverse 26 mph (41 kph)
Number of Gears – Forward 8
Number of Gears – Reverse 8
Transmission Type Powershift with direct drive
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