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John Deere 950

John Deere 950 tractor
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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.
John Deere 950compact utility tractorYanmar engine31 hp tractor8-speed transmissiontractor attachmentsPTOhydraulic system
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

Lift:14.5 inches (36 cm)
Model:John Deere 423
Mount:front-mount
Width:72 inches (182 cm)
Height:24 inches (60 cm)
Weight:405 lbs (183 kg)
Angling:27°
Lift type:hydraulic-lift
Angle control:manual-angle hydraulic -angle Optional

75 Loader

Weight:833 lbs (377 kg)
Dump angle:40°
Dump reach:24 inches (60 cm)
Bucket width:53 inches (134 cm), 61 inches (154 cm)
Ground reach:55 inches (139 cm)
Boom cylinder:2 inches (5 cm)
Height at pin:92 inches (233 cm)
Lift capacity:950 lbs lift (full at pin) (430 kg)
Breakout force:1710 lbs breakout (at pin) (775 kg)
Dump clearance:75 inches (190 cm)
Rollback angle:19° (ground line)

80 Loader

Dump time:4.7s
Dump angle:39°
Dump reach:24 inches (60 cm)
Lower time:2.6s
Raise time:4.3s
Bucket width:53 inches (134 cm)
Ground reach:53.2 inches (135 cm)
Height at pin:93.9 inches (238 cm)
Lift capacity:920 lbs lift (full at pin) (417 kg)
Rollback time:2.8s
Breakout force:1,800 lbs breakout (816 kg), 2,060 lbs breakout (bucket) (934 kg)
Dump clearance:75.5 inches (191 cm)
Rollback angle:22° (ground line)

72" Mower deck

Type:mid-mount John Deere 72
Blades:3-blade
Weight:525 lbs (238 kg)
Cutting width:72 inches (182 cm)
Overall width:84 inches (213 cm)

66" Snow blower

Type:two-stage
Model:John Deere 666
Mount:front-mount
Width:66 inches (167 cm)
Weight:612 lbs (277 kg)
Clear height:28 inches (71 cm)

John Deere 8A Backhoe

Type:John Deere 8A Backhoe
Weight:950 lbs (430 kg)
Bucket force:3,200 lbs (1451 kg)
Loading height:82 inches (208 cm)
Reach from pivot:133 inches (337 cm)
Transport height:81 inches (205 cm)
2-Foot flat digging depth:102 inches (259 cm)

John Deere 1550 Backhoe

Type:John Deere 1550 Backhoe
Weight:1300 lbs (589 kg)
Swing Arc:180°
Bucket force:3107 lbs (1409 kg)
Digging depth:93 inches (236 cm)
Loading height:65.5 inches (166 cm)
Bucket Rotation:180°
Reach from pivot:131 inches (332 cm)
Transport height:68 inches (172 cm)
Dipperstick force:1470 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)