John Deere
John Deere 950
The John Deere 950 is a compact utility tractor produced from 1978 to 1989. It is part of the 50 Compact Series and was built by Yanmar in Japan. The tractor features a Yanmar 1.7L 3-cylinder liquid-cooled diesel engine producing 31 hp gross, with an 8-speed gear transmission. It offers two- or four-wheel drive options, manual or optional power steering, and differential mechanical expanding shoe brakes. The 950 has a wheelbase of 68.9 inches and weighs between 2700 to 3000 pounds. It includes a rear PTO with 540 rpm and supports various attachments such as mower decks, snowblowers, blades, loaders, and backhoes. The tractor was originally priced between $8,670 and $12,000 during its production years.
Power31 hp
Founded1978 - 1989
Model950
Technical Specifications
Detailed specifications and technical data for John Deere 950
Power
| PTO (tested) | 27.36 hp (20.4 kW) |
|---|---|
| PTO (claimed) | 27 hp (20.1 kW) |
| Engine (gross) | 31 hp (23.1 kW) |
| Drawbar (tested) | 22.12 hp (16.5 kW) |
| Drawbar (claimed) | 23 hp (17.2 kW) |
Engine
| Type | diesel |
|---|---|
| Model | Yanmar 3T90-J |
| Cooling | liquid-cooled |
| Cylinders | 3-cylinder |
| Rated RPM | 2400 |
| Air cleaner | paper element |
| Bore/Stroke | 3.54x3.54 inches (90 x 90 mm) |
| Compression | 20.4:1 |
| Displacement | 105 ci (1.7 L) |
| Power (gross) | 31 hp (23.1 kW) |
| Starter volts | 12 |
| Coolant capacity | 6.5 qts (6.2 L) |
Capacity
| Fuel | 8.5 gal (32.2 L) |
|---|---|
| Hydraulic system | 4.75 gal Early (18.0 L), 5.25 gal After 1984 (19.9 L) |
Questions
| Front axle fluid | The front axle takes 9 US quarts of GL-5 gear lubricant. |
|---|
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 570 |
| Battery Group | BCI 30H |
| Battery volts | 12 |
| Charging amps | 25 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 4.75 gal Early (18.0 L), 5.25 gal After 1984 (19.9 L) |
| Pressure | 2030 psi (140.0 bar) |
Mechanical
| ROPS | Two-post ROPS |
|---|---|
| Drive | Two- or four-wheel drive |
| Brakes | Differential mechanical expanding shoe brakes |
| Steering | manual, power Optional |
Production
| Type | Compact Utility tractor |
|---|---|
| Built in | Japan |
| Distributor | John Deere |
| Manufacturer | Yanmar |
| Original price | $8,670 (1983), $12,000 (1988) |
Attachments
| Overview | 72" mid-mount mower deck, Snowblower, Blade, John Deere 75 loader, John Deere 80 loader, Backhoe |
|---|---|
| 72" Blade | Lift14.5 inches (36 cm) ModelJohn Deere 423 Mountfront-mount Width72 inches (182 cm) Height24 inches (60 cm) Weight405 lbs (183 kg) Angling27° Lift typehydraulic-lift Angle controlmanual-angle hydraulic -angle Optional |
| 75 Loader | Weight833 lbs (377 kg) Dump angle40° Dump reach24 inches (60 cm) Bucket width53 inches (134 cm), 61 inches (154 cm) Ground reach55 inches (139 cm) Boom cylinder2 inches (5 cm) Height at pin92 inches (233 cm) Lift capacity950 lbs lift (full at pin) (430 kg) Breakout force1710 lbs breakout (at pin) (775 kg) Dump clearance75 inches (190 cm) Rollback angle19° (ground line) |
| 80 Loader | Dump time4.7s Dump angle39° Dump reach24 inches (60 cm) Lower time2.6s Raise time4.3s Bucket width53 inches (134 cm) Ground reach53.2 inches (135 cm) Height at pin93.9 inches (238 cm) Lift capacity920 lbs lift (full at pin) (417 kg) Rollback time2.8s Breakout force1,800 lbs breakout (816 kg), 2,060 lbs breakout (bucket) (934 kg) Dump clearance75.5 inches (191 cm) Rollback angle22° (ground line) |
| 72" Mower deck | Typemid-mount John Deere 72 Blades3-blade Weight525 lbs (238 kg) Cutting width72 inches (182 cm) Overall width84 inches (213 cm) |
| 66" Snow blower | Typetwo-stage ModelJohn Deere 666 Mountfront-mount Width66 inches (167 cm) Weight612 lbs (277 kg) Clear height28 inches (71 cm) |
| John Deere 8A Backhoe | TypeJohn Deere 8A Backhoe Weight950 lbs (430 kg) Bucket force3,200 lbs (1451 kg) Loading height82 inches (208 cm) Reach from pivot133 inches (337 cm) Transport height81 inches (205 cm) 2-Foot flat digging depth102 inches (259 cm) |
| John Deere 1550 Backhoe | TypeJohn Deere 1550 Backhoe Weight1300 lbs (589 kg) Swing Arc180° Bucket force3107 lbs (1409 kg) Digging depth93 inches (236 cm) Loading height65.5 inches (166 cm) Bucket Rotation180° Reach from pivot131 inches (332 cm) Transport height68 inches (172 cm) Dipperstick force1470 lbs (666 kg) |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | 210mm dry disc |
| Description | Four gears, plus reverse, with high and low ranges. |
Tractor hitch
| Control | position control |
|---|---|
| Rear Type | I |
Serial Numbers
| 1978 | 1024 |
|---|---|
| 1979 | 5229 |
| 1980 | 10453 |
| 1981 | 14893 |
| 1982 | 16204 |
| 1983 | 18204 |
| 1984 | 20007 |
| 1985 | 23001 |
| 1986 | 26001 |
| 1987 | 28501 |
| 1988 | 30082 |
| Final | 31853 |
Dimensions & Tires
| Weight | 2700 to 3000 pounds |
|---|---|
| Rear tire | 11.2-24 |
| Wheelbase | 68.9 inches (175 cm) |
| Front tire | 5.00-15 |
Power Take-off (PTO)
| Rear PTO | transmission Early models, live two-stage clutch Tractors built after 1984, serial number 20001 |
|---|---|
| Rear PTO Type | 540 (1.375) |
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