John Deere 870 Specifications - John Deere 870 Specs

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1989 - 1998 70 Compact Series, Compact Utility tractor
Previous model: John Deere 850
Next model: John Deere 4300
Series next: John Deere 970
Series back: John Deere 770
Production
Distributor: John Deere
Manufacturer: Yanmar
Factory: Japan
Original price (USD): $14,000 (1998)
Capacity
Fuel: 8.5 gal [32.2 L]
Hydraulic system: 5.5 gal [20.8 L]
3-Point Hitch
Rear Type: I
Control: position control
Rear lift (at 24"/610mm): 1880 lbs [852 kg]
Power Take-off (PTO)
Rear PTO: live (two-stage clutch)
Rear RPM: 540
Mid PTO: optional independent
Mid RPM: 2100
Dimensions & Tires
Wheelbase: 57.5 inches [146 cm]
Weight: 2515 to 2670 pounds
Front tire: 5.00-15
Rear tire: 12.4-24 (2WD)
870 Serial Numbers
Location: Serial number plate on the rear of of the John Deere 870, below the PTO shaft.
John Deere 870 Power
Engine (net): 28 hp [20.9 kW]
PTO (claimed): 25 hp [18.6 kW]
Mechanical
Chassis: 4x2 2WD, 4x4 MFWD 4WD
Final drives: planetary
Steering: manual, hydrostatic power (with synchro)
Brakes: differential wet disc
Cab: Two-post ROPS.
Hydraulics
Type: open center
Capacity: 5.5 gal [20.8 L]
Pressure: 2250 psi [155.1 bar]
Valves: 2
Pump flow: 8.1 gpm [30.7 lpm]
Electrical
Ground: negative
Charging system: alternator
Charging amps: 20
Battery
Number: 1
Cold-cranking amps: 447
Volts: 12
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Bore/Stroke: 3.31x3.39 inches [84 x 86 mm]
Fuel system: direct injection
Air cleaner: dry with safety element
Pre-heating: air intake heater
Compression: 17.8:1
Rated RPM: 2600
Operating RPM: 800-2775
Starter volts: 12
Oil capacity: 5.1 qts [4.8 L]
Oil change: 200 h
Coolant capacity: 5.5 qts [5.2 L]
Engine Detail
Yanmar 3TN84, diesel, 3-cylinder, liquid-cooled, 87.3 ci [1.4 L]
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Speeds: With 12.4-28 R1 rear tires.
Transmission
Type: collar shift
Gears: 9 forward and 2 reverse
Clutch: dry two-stage
Oil capacity: 22 qts [20.8 L]
Three speeds (1-3) plus reverse (R) with three ranges (1-3). The collar shift was the standard transmission. Tractor must be stopped, and clutch used, to shift gears or ranges.
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Previous model: John Deere 850
Next model: John Deere 4300
Series next: John Deere 970
Series back: John Deere 770
Dimensions
2WD Weight: 2,515 lbs [1140 kg]
4WD Weight: 2,670 lbs [1211 kg]
Wheelbase: 57.5 inches [146 cm]
Length: 123 inches [312 cm]
Min Width: 58.7 inches [149 cm]
Max Width: 70.5 inches [179 cm]
Height (hood): 51.2 inches [130 cm]
Height (ROPS): 82.8 inches [210 cm]
Height (exhaust): 76.9 inches [195 cm]
Clearance (front axle): 12.7 inches [32 cm]
Front tread: 45.9 to 57.9 inches (2WD) [116 to 147 cm] (2WD) 39.5 inches [100 cm] (4WD)
Rear tread: 46.2 to 58 inches [117 to 147 cm]
John Deere 870 Tires
Standard tires (ag): Front: 5.00-15. Rear: 12.4-24 (2WD), Front: 7-14. Rear: 12.4-24 (4WD)
Optional tires (ag): Front: 5.00-15. Rear: 11.2-24 (2WD)
Lawn/turf front: 25x8.50-14
Lawn/turf rear: 355/80D-20
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Previous model: John Deere 850
Next model: John Deere 4300
Series next: John Deere 970
Series back: John Deere 770
72.8" Mower deck
Type: mid-mount John Deere 72, 3-blade with hydraulic lift
Cutting width: 72.8 inches [184 cm]
Weight: 448 lbs [203 kg]
Overall width: 85 inches [215 cm]
Cut height: 1.5 to 8.6 inch [3 to 21 cm]
Blade
Type: front-mount John Deere 390
Width: 84 inches [213 cm]
Height: 25.5 inches [64 cm]
Lift height: 12 inches [30 cm]
Cut depth: 5.5 inches [13 cm]
Weight: 725 lbs [328 kg]
Lift: hydraulic
Angle: hydraulic
Loader
Loader type: John Deere 80
Height (to pin): 93.7 inches [237 cm]
Clearance, dumped bucket: 75.6 inches [192 cm]
Dump reach: 23.6 inches [59 cm]
Dump angle: 39
Reach at ground: 53 inches [134 cm]
Rollback at ground: 22
Breakout force (lift): 1,790 lbs [811 kg]
Breakout force (bucket): 2,065 lbs [936 kg]
Lift to full height (at pin): 920 lbs [417 kg]
Bucket width: 53 inches [134 cm]
Raise time to height: 3.0 s
Bucket dump time: 3.3 s
Lowering time: 1.8 s
Rollback time: 2.0 s
Backhoe
Backhoe type: John Deere 8A
Weight: 950 lbs [430 kg]
2-Foot flat digging depth: 102 inches [259 cm]
Reach from pivot: 133 inches [337 cm]
Loading height: 82 inches [208 cm]
Bucket force: 3,200 lbs [1451 kg]