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Tractor · 1978Unverified

John Deere 950

Name: John Deere 950
Brand: John Deere

John Deere 950 — 50 Compact Series · 31 hp. Reference specifications; pending source verification.

The John Deere 950 is a compact tractor rated at 31 hp, distinguishing it within its class by its smaller size. Manufactured from 1978 to 1989, the 950 features a 3-cylinder diesel liquid-cooled engine and drives all four wheels through an 8-speed gearbox. Weighing between 2700 and 3000 pounds, it is suited for tasks on areas up to 200 acres.

Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.

Rated power

31 hp

Max power

16.5 kW

Weight

2700 to 3000 pounds

Catalogue coverage

Variants represented

Richest spec table

151 rows

Recorded power

31 hp

Recorded weight

238 kg

Transmissions

8-speed gear

Production years

1978-1989

Verified variants

1 linked source document displayed

Hover a source tag to verify

Overview

DistributorJohn DeereReference

ManufacturerYanmarReference

Compact Utility tractorReference

Built in JapanReference

Original price$8,670 (1983 )Reference

Original price$12,000 (1988 )Reference

Two- or four-wheel driveReference

SteeringmanualReference

SteeringpowerReference

Differential mechanical expanding shoe brakesReference

Two-post ROPS.Reference

Engine

Yanmar 1.7L 3-cyl dieselReference

Engine (gross)23.1 kWReference

Drawbar (claimed)17.2 kWReference

Drawbar (tested)16.5 kWReference

Yanmar 3T90-JReference

dieselReference

3-cylinderReference

liquid-cooledReference

Displacement1.7 LReference

Bore/Stroke90 x 90 mmReference

Power (gross)23.1 kWReference

Air cleanerpaper elementReference

Compression20.4:1Reference

Rated RPM2400Reference

Starter volts12Reference

Coolant capacity6.2 LReference

Power at rated engine speed20.4 kWReference

Max power16.5 kWReference

Fuel TypeDieselReference

No of Cylinders3-cylinderReference

Rated engine speed2,400Reference

Bore and stroke3.54x3.54 inchesReference

Compression ratio20.4:1Reference

Cooling systemliquid-cooled | 6.5 qtsReference

Transmission

8-speed gearReference

TypegearReference

Gears8 forward and 2 reverseReference

Clutch210mm dry discReference

Four gears, plus reverse, with high and low ranges.Reference

forward and reverse options8 forward and 2 reverseReference

PTO & Hydraulics

PTO (claimed)20.1 kWReference

PTO (tested)20.4 kWReference

Hydraulic system18.0 LReference

Hydraulic system19.9 LReference

Typeopen centerReference

Capacity18.0 LReference

Capacity19.9 LReference

Pressure140.0 barReference

Rear TypeIReference

Controlposition controlReference

Rear PTOtransmissionReference

Rear PTOlive two-stage clutchReference

Rear PTO Type540 (1.375)Reference

Power at rated PTO speed20.9 kWReference

Capacities

Fuel32.2 LReference

Dimensions

Wheelbase175 cmReference

Weight2700 to 3000 poundsReference

Front tire5.00-15Reference

Rear tire11.2-24Reference

Weight238 kgReference

Weight430 kgReference

Weight589 kgReference

Ag front5.00-15Reference

Ag rear11.2-24Reference

Ag rear12.4-28Reference

Lawn/turf front27/8.5-15Reference

Lawn/turf rear13.6-28Reference

Length309 cmReference

Width135 cmReference

Height (hood)134 cmReference

Ground clearance38 cmReference

Front tread114 to 144 cmReference

Rear tread115 to 150 cmReference

4WD Shipping1360 kgReference

2WD Operating1224 kgReference

Ballasted1639 kgReference

Max Drawbar374 kgReference

John Deere 950 attachments

72" mid-mount mower deckReference

snowblowerReference

bladeReference

front-end loaderReference

backhoeReference

950 Serial Number Location

Serial number plate on rear of tractor, below PTO shaft.Reference

950 Serial Numbers

19781024Reference

19795229Reference

198010453Reference

198114893Reference

198216204Reference

198318204Reference

198420007Reference

198523001Reference

198626001Reference

198728501Reference

198830082Reference

Final31853Reference

FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference

Charging systemalternatorReference

Charging amps25Reference

Battery CCA570Reference

Battery volts12Reference

Battery GroupBCI 30HReference

Total cold cranking amps570Reference

Questions

I don't know what fluid goes in the front wheel axle. The front axle takes 9 US quarts of GL-5 gear lubricant.Reference

Attachment overview

72" mid-mount mower deckReference

SnowblowerReference

BladeReference

John Deere 75 loaderReference

John Deere 80 loaderReference

BackhoeReference

72" Mower deck

Typemid-mount John Deere 72Reference

Type3-bladeReference

Cutting width182 cmReference

Overall width213 cmReference

John Deere 8A Backhoe

Backhoe typeJohn Deere 8A BackhoeReference

Transport height205 cmReference

2-Foot flat digging depth259 cmReference

Reach from pivot337 cmReference

Loading height208 cmReference

Bucket force1451 kgReference

John Deere 1550 Backhoe

Backhoe typeJohn Deere 1550 BackhoeReference

Transport height172 cmReference

Digging depth236 cmReference

Reach from pivot332 cmReference

Loading height166 cmReference

Bucket Rotation180°Reference

Swing Arc180°Reference

Bucket force1409 kgReference

Dipperstick force666 kgReference

Test results

Diesel 8-speed 2WDJune 12 - 16, 1978Link: Nebraska Tractor Test 1281 fileReference

PTO performanceReference

Fuel use6.8 l/hourReference

Fuel use7.2 l/hourReference

Drawbar performanceReference

Gear 6 used for power test.Reference

Max pull1386 kgReference

Gear 4 used for pull test.Reference

Speeds

With 12.4-28 rear tires.Reference

General

Make & ModelYanmarReference

Power

Rated Power31 hpReference

PTO

Rear PTO PowerAvailableReference

Hydraulics

Hydraulics Typeopen centerReference

Maximum operating pressure2,030 psiReference

Rear Hitch category (SAE designation)Category IReference

Rear Hitch Sensing Typeposition controlReference

Dimensions & weight

Overall Height134.9 cmReference

Overall Length309.9 cmReference

Wheels & tyres

Rear wheel tread range11.2-24, 12.4-28 inchReference

Front Wheel tread range5.00-15Reference

Steering & brakes

Steering typemanual, powerReference

Values normalized to UK metric units. Every figure is traced to at least one source; verified specs are cross-checked against two or more.

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