John Deere 870D Motor Grader

Dimensions

Overall Length 28.89 ft in (8804 mm)
Width Over Tires 8.24 ft in (2510 mm)
Wheelbase 20.08 ft in (6120 mm)
Tandem Axle Wheelbase 5.06 ft in (1540 mm)
Front Ground Clearance 2.1 ft in (638 mm)
Blade Base 8.32 ft in (2533 mm)
Height To Top Of Isomount Cab 10.44 ft in (3180 mm)

Engine Details

Number Of Cylinders 6
Net Power Gear 4-6 185 hp (138 kw)
Engine Make John Deere
Engine Model 6081H
Net Power Gear 1-2 180 hp (134 kw)
Power Measured @ 2000 rpm
Net Power Gear 5-6 200 hp (149 kw)
Torque Measured @ 1000 rpm
Max Power 235 hp (175.3 kw)
Net Power Gears 7-8 235 hp (175.3 kw)
Net Torque Gears 1-2 731 lb ft (991 Nm)
Net Torque Gears 3-4 793 lb ft (1075 Nm)
Net Torque Gears 5-6 835 lb ft (1132 Nm)
Net Torque Gears 7-8 913 lb ft (1238 Nm)
Displacement 494 cu in (8.1 L)
Aspiration Turbocharged with air-to-air aftercooler

Operational Specs

Std Operation Weight – Front Axle 9200 lb (4173 kg)
Std Operation Weight – Rear Axle 25550 lb (11589 kg)
Hydraulic System Fluid Capacity 14 gal (53 L)
Std Operation Weight – Total 34750 lb (15760 kg)
Max Operation Weight – Front Axle 16023.2 lb (7268 kg)
Max Operation Weight – Rear Axle 32576 lb (14777 kg)
Max Operation Weight – Total 48620 lb (22045 kg)
Fuel Tank Capacity 106 gal (401.2 L)
Cooling System Fluid Capacity 13 gal (49.2 L)
Transmission Fluid Capacity 6 gal (22.7 L)
Rear Diff/Final Drive Fluid Capacity 9.5 gal (36 L)
Circle Gearbox Fluid Capacity 1.5 gal (5.7 L)
Tandem Case Fluid Capacity (Each) 20 gal (75.7 L)
Tire Size 14.00R24 Radial PR
Operating Voltage 24 V
Alternator Supplied Amperage 100 amps

Steering

Articulation Angle 22 degrees
Turning Radius 23 ft in (7.1 m)

Transmission

Transmission Type Powershift with direct drive
Number Of Gears – Forward 8
Number Of Gears – Reverse 8
Max Speed – Forward 25.6 mph (41.1 km/h)
Max Speed – Reverse 25.6 mph (41.1 km/h)

Front Axle

Wheel Lean 20 degrees
Oscillation – Total 32 degrees
Ground Clearance 2.1 ft in (638 mm)

Moldboard

Moldboard Width 14.2 ft in (4300 mm)
Moldboard Height 27.1 in (686 mm)
Moldboard Thickness 1 in (25 mm)
Side Shift Left 26.8 in (680 mm)
Side Shift Right 26.8 in (680 mm)
Blade Pull At Max Weight 29319.3 lb (13299 kg)

Hydraulic System

Pump Type Variable-displacement piston
Pump Flow 54.7 gal/min (207 L/min)
Relief Valve Pressure 2750 psi (18960.6 kPa)

Circle

Diameter 60 in (1520 mm)
Rotation 360 degrees
Shift Left 31 in (787 mm)
Shift Right 28.6 in (724 mm)
Max Reach Outside Tires – Left 91.4 in (2320 mm)
Max Reach Outside Tires – Right 91 in (2310 mm)
Max Lift Above Ground 17.3 in (437 mm)
Blade Tip Angle – Front 42 degrees
Blade Tip Angle – Rear 5 degrees
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