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info | |
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 |
info | |
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] |
info | |
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. |
info | |
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 |
info | |
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] |