John Deere
John Deere 870
The John Deere 870 is a compact utility tractor produced from 1989 to 1998. It is part of the 70 Compact Series and was built by Yanmar in Japan. The tractor features a 1.4L 3-cylinder liquid-cooled diesel engine delivering 28 hp (20.9 kW) net power. It offers a 9-speed transmission with unsynchronized and partially synchronized options, and two- or four-wheel drive. The 870 includes mechanical rear differential lock, manual or optional power steering, and wet disc brakes. It has a fuel capacity of 8.5 gallons and a hydraulic system capacity of 5.5 gallons. The tractor supports a rear PTO with live two-stage clutch and an optional mid PTO. The 870 is compatible with various attachments including a 72.8" mid-mount mower deck, front blade, loaders, and backhoes, making it versatile for multiple tasks.
Power28 hp
Founded1989 - 1998
Model870
Technical Specifications
Detailed specifications and technical data for John Deere 870
Power
| Engine (net) | 28 hp (20.9 kW) |
|---|---|
| PTO (claimed) | 25 hp (18.6 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Yanmar 3TN84 |
| Cooling | liquid-cooled |
| Cylinders | 3-cylinder |
| Rated RPM | 2600 |
| Air cleaner | dry with safety element |
| Bore/Stroke | 3.31x3.39 inches (84 x 86 mm) |
| Compression | 17.8:1 |
| Fuel system | direct injection |
| Power (net) | 28 hp (20.9 kW) |
| Pre-heating | air intake heater |
| Displacement | 87.3 ci (1.4 L) |
| Oil capacity | 5.1 qts (4.8 L) |
| Operating RPM | 800-2775 |
| Starter volts | 12 |
| Coolant capacity | 5.5 qts (5.2 L) |
| Oil change interval | 200 h |
Capacity
| Fuel | 8.5 gal (32.2 L) |
|---|---|
| Front axle | 6.9 qts (6.5 L) |
| Hydraulic system | 5.5 gal (20.8 L) |
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 447 |
| Battery volts | 12 |
| Charging amps | 20 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 5.5 gal (20.8 L) |
| Pressure | 2250 psi (155.1 bar) |
| Pump flow | 8.1 gpm (30.7 lpm) |
| Mid valves | 2 (Optional) |
| Total flow | 8.1 gpm (manual steering) (30.7 lpm), 12.4 gpm (power steering) (46.9 lpm) |
| Rear valves | 2 (Optional) |
| Steering flow | 4.3 gpm (16.3 lpm) |
Mechanical
| ROPS | Two-post ROPS |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Wet disc brakes |
| Steering | manual, power (Optional) |
| Final drives | planetary |
| Differential lock | mechanical rear |
Production
| Type | Compact Utility tractor |
|---|---|
| Built in | Japan |
| Distributor | John Deere |
| Manufacturer | Yanmar |
| Original price | $14,000 in 1998 |
| Years produced | 1989 - 1998 |
Attachments
| Overview | 72.8" mid-mount mower deck, Blade, John Deere 80 loader, John Deere 440 loader, Backhoe |
|---|---|
| 80 Loader | Dump angle39° Cycle times{"Dump":"3.3s","Lower":"1.8s","Raise":"3.0s","Rollback":"2.0s"} Bucket width53 inches (134 cm) Breakout force1,790 lbs (811 kg) Reach (dumped)23.6 inches (59 cm) Reach (ground)53 inches (134 cm) Bucket breakout2,065 lbs (936 kg) Height (at pin)93.7 inches (237 cm) Clearance (dumped)75.6 inches (192 cm) Rollback (ground line)22° Lift capacity (full at pin)920 lbs (417 kg) |
| 84" Blade | Cut5.5 inches (13 cm) Lift12 inches (30 cm) ModelJohn Deere 390 Mountfront-mount Width84 inches (213 cm) Height25.5 inches (64 cm) Weight725 lbs (328 kg) Featureshydraulic-lift, hydraulic-angle |
| 440 Loader | Dump angle39° Bucket widths53 inches (134 cm), 60 inches (152 cm), 73 inches (185 cm) Breakout force1790 lbs (811 kg) Reach (dumped)23.6 inches (59 cm) Reach (ground)53 inches (134 cm) Bucket breakout2065 lbs (936 kg) Height (at pin)93.7 inches (237 cm) Clearance (level)87.2 inches (221 cm) Clearance (dumped)75.6 inches (192 cm) Rollback (ground line)22° Lift capacity (full at pin)920 lbs (417 kg) |
| 72.8" Mower deck | Typemid-mount John Deere 72, 3-blade with hydraulic lift Weight448 lbs (203 kg) Cut height1.5 to 8.6 inch (3 to 21 cm) Cutting width72.8 inches (184 cm) Overall width85 inches (215 cm) |
| John Deere 8A Backhoe | Weight1243 lbs (563 kg) Swing Arc180° Bucket force2992 lbs (1357 kg) Bucket width12 inches (30 cm) Bucket heights18 inches (45 cm), 24 inches (60 cm), 36 inches (91 cm) Loading height82 inches (208 cm) Bucket Rotation180° Reach from pivot133 inches (337 cm) Transport height81 inches (205 cm) Dipperstick force1995 lbs (904 kg) 2-Foot flat digging depth102 inches (259 cm) |
| John Deere 8B Backhoe | Weight1260 lbs (571 kg) Swing Arc180° Bucket force3389 lbs (1537 kg) Bucket width12 inches (30 cm) Bucket heights18 inches (45 cm), 24 inches (60 cm), 36 inches (91 cm) Loading height82 inches (208 cm) Bucket Rotation180° Reach from pivot133 inches (337 cm) Transport height81 inches (205 cm) Dipperstick force2213 lbs (1003 kg) 2-Foot flat digging depth102 inches (259 cm) |
Transmission
| Type | 9-speed unsynchronized gear, 9-speed partially synchronized |
|---|
Tractor hitch
| Control | position control |
|---|---|
| Rear Type | I |
| Rear lift (at 24"/610mm) | 1880 lbs (852 kg) |
Dimensions & Tires
| Weight | 2515 to 2670 pounds |
|---|---|
| Wheelbase | 67.5 inches (171 cm) |
| Front tire | 5.00-15 |
| 2WD Rear tire | 11.2-24 |
Power Take-off (PTO)
| Mid PTO | live, Optional. Independent engagement of mid, rear, or both PTO shafts. |
|---|---|
| Rear PTO | live, Two-stage clutch |
| Mid PTO Type | 2100 |
| Rear PTO Type | 540 (1.375) |
| Mid PTO Engine RPM | 2100@2600 |
| Rear PTO Engine RPM | 540@2600 |
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