John Deere 950 tractor specifications

1978 - 1989

1978 - 1989 50 Compact SeriesCompact Utility tractorYanmar built

Series:

Series:850 ← 950 → 1050970 ↓

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

Series:

Series:	750 ←	850	→ 950
		870 ↓

Production

Production
Distributor:	John Deere
Manufacturer:	Yanmar
Type:	Compact Utility tractor
Factory:	Japan
Original price:	$7,670 (1983 )
Original price:	$11,000 (1989 )

John Deere 850 Power

John Deere 850 Power
Engine (gross):	25 hp 18.6 kW
Drawbar (claimed):	19 hp 14.2 kW
PTO (claimed):	22 hp 16.4 kW
Drawbar (tested):	17.77 hp 13.3 kW
PTO (tested):	22.27 hp 16.6 kW
power test details ...

John Deere 850 Engine

John Deere 850 Engine
Yanmar 1.3L 3-cyl diesel
Engine details ...

Mechanical

Mechanical
Chassis:	4x2 2WD
	4x4 MFWD 4WD
Steering:	manual
	power*Optional
Brakes:	differential mechanical expanding shoe
Cab:	Two-post ROPS.
Transmission:	8-speed gear
Transmission details ...

Capacity

Capacity
Fuel:	8.5 gal 32.2 L
Hydraulic system:	4.75 gal 18.0 L
	5.25 gal 19.9 L *After 1984

Hydraulics

Hydraulics
Type:	open center
Capacity:	4.75 gal 18.0 L
	5.25 gal 19.9 L *After 1984
Pressure:	2030 psi 140.0 bar

Tractor hitch

Tractor hitch
Rear Type:	I

Power Take-off (PTO)

Power Take-off (PTO)
Rear PTO:	transmission*Early models, through the 1983 model year.
	live two-stage clutch*Introduced in 1984, tractor serial number 16001.
Rear RPM:	540 (1.375)
Engine RPM:	540@2258

Dimensions & Tires

Dimensions & Tires
Wheelbase:	64 inches 162 cm
Weight:	2400 lbs 1088 kg
Front tire:	5.00-15
Rear tire:	9.5-24
Full dimensions and tires ...

John Deere 850 attachments

John Deere 850 attachments
72" mid-mount mower deck
snowblower
blade
front-end loader
backhoe
Attachment details ...

850 Serial Numbers

850 Serial Numbers
Location:	Serial number plate on the rear of the John Deere 850, below the PTO shaft.
photo of 850 serial number
1978:	1000
1979:	3859
1980:	7389
1981:	11338
1982:	12481
1983:	14183
1984:	16006
1985:	18001
1986:	22001
1987:	25501
1988:	28337
Final:	30852
how to read serial numbers...

Electrical

Electrical
Ground:	negative
Battery volts:	12

Production

Production Distributor:John Deere
Manufacturer:Yanmar
Type:Compact Utility tractor
Factory:Japan
Original price:$8,670 (1983 )
Original price:$12,000 (1988 )

John Deere 950 Power

John Deere 950 Power Engine (gross):31 hp
23.1 kW
Drawbar (claimed):23 hp
17.2 kW
PTO (claimed):27 hp
20.1 kW
Drawbar (tested):22.12 hp
16.5 kW
PTO (tested):27.36 hp
20.4 kW
power test details ...

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

Series:

Series:	850 ←	950	→ 1050
		970 ↓

Nebraska Tractor Test 1281

Nebraska Tractor Test 1281
Diesel 8-speed 2WD June 12 - 16, 1978 Link: Nebraska Tractor Test 1281 file
PTO performance
Power at rated engine speed:	27.36 hp 20.4 kW
Fuel use:	1.8 gal/hour 6.8 l/hour
Power at rated PTO speed:	28.05 hp 20.9 kW
Fuel use:	1.9 gal/hour 7.2 l/hour
Drawbar performance
Max power:	22.12 hp 16.5 kW
Fuel use:	1.8 gal/hour 6.8 l/hour
Gear 6 used for power test.
Max pull:	3,056 lbs 1386 kg
Gear 4 used for pull test.

John Deere 950 Engine

John Deere 950 Engine Yanmar 1.7L 3-cyl diesel Engine details ...

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

Series:

Series:	850 ←	950	→ 1050
		970 ↓

Engine Detail

Engine Detail
Yanmar 3T90-J
diesel
3-cylinder
liquid-cooled
Displacement:	105 ci 1.7 L
Bore/Stroke:	3.54x3.54 inches 90 x 90 mm
Power (gross):	31 hp 23.1 kW
Air cleaner:	paper element
Compression:	20.4:1
Rated RPM:	2400
Starter volts:	12
Coolant capacity:	6.5 qts 6.2 L

Mechanical

Mechanical Chassis:4x2 2WD
4x4 MFWD 4WD
Steering:manual
power*Optional
Brakes:differential mechanical expanding shoe
Cab:Two-post ROPS.
Transmission:8-speed gear
Transmission details ...

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

Series:

Series:	850 ←	950	→ 1050
		970 ↓

Transmission

Transmission
Type:	gear
Gears:	8 forward and 2 reverse
Clutch:	210mm dry disc
Four gears, plus reverse, with high and low ranges.

Speeds

Speeds
With 12.4-28 rear tires.

Capacity

Capacity Fuel:8.5 gal
32.2 L
Hydraulic system:4.75 gal
18.0 L *Early
5.25 gal
19.9 L *After 1984.

Hydraulics

Hydraulics Type:open center
Capacity:4.75 gal
18.0 L *Early
5.25 gal
19.9 L *After 1984.
Pressure:2030 psi
140.0 bar

Tractor hitch

Tractor hitch Rear Type:I

Power Take-off (PTO)

Power Take-off (PTO) Rear PTO:transmission*Early models of the John Deere 950.
live two-stage clutch*Tractors built after 1984, serial number 20001.
Rear RPM:540 (1.375)

Dimensions & Tires

Dimensions & Tires Wheelbase:68.9 inches
175 cm
Weight:2700 to 3000 pounds
Front tire:5.00-15
Rear tire:11.2-24
Full dimensions and tires ...

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

Series:

Series:	850 ←	950	→ 1050
		970 ↓

John Deere 950 Tires

John Deere 950 Tires
Ag front:	5.00-15
Ag rear:	11.2-24
	12.4-28
Lawn/turf front:	27/8.5-15
Lawn/turf rear:	13.6-28

Dimensions

Dimensions
Wheelbase:	68.9 inches 175 cm
Length:	122 inches 309 cm
Width:	53.3 inches 135 cm *Minimum
Height (hood):	53.1 inches 134 cm
Ground clearance:	15.3 inches 38 cm
Front tread:	44.9 to 56.7 inches 114 to 144 cm
Rear tread:	45.3 to 59.1 inches 115 to 150 cm

John Deere 950 Weight

John Deere 950 Weight
4WD Shipping:	3000 lbs 1360 kg
2WD Operating:	2700 lbs 1224 kg
Ballasted:	3615 lbs 1639 kg

John Deere 950 attachments

John Deere 950 attachments 72" mid-mount mower deck snowblower blade front-end loader backhoe Attachment details ...

1978 - 1989

50 Compact Series

Compact Utility tractor

Yanmar built

Series:

Series:	850 ←	950	→ 1050
		970 ↓

Attachment overview

Attachment overview
72" mid-mount mower deck
Snowblower
Blade
Front-end loader
Backhoe

72" Mower deck

72" Mower deck
Type:	mid-mount John Deere 72
	3-blade
Cutting width:	72 inches 182 cm
Weight:	525 lbs 238 kg
Overall width:	84 inches 213 cm

Blade

Blade
Type:	front-mount John Deere 423
Width:	72 inches 182 cm
Height:	24 inches 60 cm
Lift height:	14.5 inches 36 cm
Angle:	27°
Weight:	405 lbs 183 kg
Lift type:	hydraulic
Angle type:	manual
	hydraulic*Optional

66" Snow blower

66" Snow blower
Type:	front-mount John Deere 666
	two-stage
Clearing width:	66 inches 167 cm
Clearing height:	28 inches 71 cm
Weight:	612 lbs 277 kg

John Deere 75 Loader

John Deere 75 Loader
Loader weight:	833 lbs 377 kg
Height (to pin):	92 inches 233 cm
Clearance, dumped bucket:	75 inches 190 cm
Dump reach:	24 inches 60 cm
Dump angle:	40°
Reach at ground:	55 inches 139 cm
Breakout force (at pin):	1710 lbs 775 kg
Lift to full height (at pin):	950 lbs 430 kg
Bucket width:	53 inches 134 cm
	61 inches 154 cm

John Deere 80 Loader

John Deere 80 Loader
Height (to pin):	93.9 inches 238 cm
Clearance, dumped bucket:	75.5 inches 191 cm
Dump reach:	24 inches 60 cm
Dump angle:	39°
Reach at ground:	53.2 inches 135 cm
Rollback at ground:	22°
Breakout force (lift):	1,800 lbs 816 kg
Breakout force (bucket):	2,060 lbs 934 kg
Lift to full height (at pin):	920 lbs 417 kg
Bucket width:	53 inches 134 cm
Raise time to height:	4.3 s
Bucket dump time:	4.7 s
Lowering time:	2.6 s
Rollback time:	2.8 s

John Deere 8A Backhoe

John Deere 8A Backhoe
Backhoe type:	John Deere 8A Backhoe
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

John Deere 1550 Backhoe

John Deere 1550 Backhoe
Backhoe type:	John Deere 1550 Backhoe
Weight:	1300 lbs 589 kg
Transport height:	68 inches 172 cm
Digging depth:	93 inches 236 cm
Reach from pivot:	131 inches 332 cm
Loading height:	65.5 inches 166 cm
Bucket Rotation:	180
Swing Arc:	180
Bucket force:	3107 lbs 1409 kg
Dipperstick force:	1470 lbs 666 kg

950 Serial Numbers

950 Serial Numbers Location:Serial number plate on rear of tractor, below PTO shaft.
photo of 950 serial number
1978:1024
1979:5229
1980:10453
1981:14893
1982:16204
1983:18204
1984:20007
1985:23001
1986:26001
1987:28501
1988:30082
Final:31853

how to read serial numbers...