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Lawn Tractor · 1983Unverified

John Deere 318

John Deere 318 — 300 Series · 18 hp. Reference specifications; pending source verification.

The John Deere 318 is a lawn tractor model rated at 18 hp, positioning it in the middle of its class in terms of power output. Manufactured from 1983 to 1992, this model features a 2-cylinder diesel liquid-cooled engine, which drives through a two-wheel drive system with a hydrostatic transmission. The listed weight of the John Deere 318 ranges from 780 to 836 pounds, while its intended applications include jobs covering around 200 acres.

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

Rated power
18 hp
Weight
780 to 836 pounds

Catalogue coverage

Variants represented
2
Richest spec table
109 rows
Recorded power
18 hp
Transmissions
hydrostatic
Production years
1983-1992
Verified variants
0

1 linked source document displayed

Hover a source tag to verify

Overview

ManufacturerJohn DeereReference
Garden tractorReference
Built in Horicon, Wisconsin, USAReference
Original price$5,099 (1983 )Reference
Original price$5,650 (1989 )Reference
Two-wheel driveReference
Power steeringReference
Differential mechanical drum brakesReference
Open operator station.Reference

Variants

318air-cooled gasReference
322liquid-cooled gasReference
332dieselReference

Engine

18HP Onan 709cc 2-cyl gasolineReference
18HP Onan 781cc 2-cyl gasolineReference
Onan B43GReference
gasolineReference
2-cylinder 4-valveReference
air-cooled horizontal-shaft opposed twinReference
The Onan B43G was used from 1983 through 1986, ending with tractor serial number M00318X420000.Reference
Displacement43.3 ciReference
Bore/Stroke83 x 67 mmReference
Power (gross)13.4 kWReference
Air cleanerfoam and paperReference
Compression6.5:1Reference
Idle RPM1350-3450Reference
Starter volts12Reference
SparkplugJD AM38622Reference
SparkplugNGK BPR5EFSReference
SparkplugMotorcraft AGRF32Reference
Sparkplug gap0.635 mmReference
Oil capacity1.7 LReference
Onan P218Reference
2-cylinderReference
The Onan P218 was used in the John Deere 318 from 1987, beginning at serial number M00318X420001, through the end of production.Reference
Displacement47.7 ciReference
Bore/Stroke83 x 73 mmReference
Compression7:1Reference
Torque42.0 NmReference
Torque RPM2200Reference
SparkplugChampion RS14YCReference

Transmission

hydrostaticReference
TransmissionSundstrand Series 15 Model 90Reference
Typeshaft-driven hydrostaticReference
Gearsinfinite forward and reverseReference
Oil capacity4.7 LReference
Oil typeJD All-Weather Hydrostatic FluidReference
Oil change200 hReference
Sundstrand Series 15 hydrostatic unit mated to a Peerless differential.Reference
1Motion controlReference
2BrakesReference
3ThrottleReference

Capacities

Fuel17.0 LReference

PTO & Hydraulics

Hydraulic system4.5 LReference
Capacity4.5 LReference
Front valves2Reference
Rear Type0Reference
Controldirectional controlReference
Rear lift (at 24"/610mm)290 kgReference
Rear PTOindependentReference
ClutchelectricReference
Rear PTO Type2000Reference
Front PTOindependentReference
Front PTO TypepulleyReference

Dimensions

Wheelbase116 cmReference
Weight780 to 836 poundsReference
Front tire16x6.50-8Reference
Rear tire23x10.50-12Reference
Ag front4.80x4.00-8Reference
Ag rear23x10.50Reference
Lawn/turf front16x6.50-8Reference
Lawn/turf rear23x10.50-12Reference
Length173 cmReference
Width111 cmReference
Height111 cmReference
379 kgReference
Shipping353 kgReference
Max front axle358 kgReference
Max rear axle544 kgReference

John Deere 318 attachments

38" mid-mount mower deckReference
46" mid-mount mower deckReference
50" mid-mount mower deckReference
snowblowerReference
bladeReference
front-end loaderReference

318 Serial Number Location

Plate below steering columnReference

318 Serial Numbers

1983M00318X222001Reference
1984M00318X285001Reference
1985M00318X315001Reference
1986M00318X360001Reference
1987M00318X420001Reference
1988M00318X475001Reference
1989M00318X595001Reference
1990M00318X010001Reference
1991M00318X100001Reference
1992M00318X110001Reference
FinalM00318X120000Reference
FAQ: How to read a serial number table.Reference

Electrical

GroundnegativeReference
Charging systemalternatorReference
Charging amps20Reference
Battery CCA255Reference
Battery volts12Reference

Attachment overview

38" mid-mount mower deckReference
46" mid-mount mower deckReference
50" mid-mount mower deckReference
SnowblowerReference
BladeReference
Front-end loaderReference
Two tillers were available for the 318, a 48-inch shaft drive and a 30-inch hydraulic tiller (optional extension to 42 inch). The shaft-drive tiller required the optional 2000 RPM rear PTO. The hydraulic tiller operated off a separate hydraulic pump that was belt-driven in place of the mower deck. A rear-mounted finish mower was available for the 318, if equipped with three-point hitch and 2000 RPM rear PTO. Three baggers were available. A two-bag (6.5 bushel) Power Flow system had a fan that was belt-driven from the right-hand mower spindle. A three-bag (10 bushel) system had an auxiliary 6-horsepower Kawasaki engine to run the blower. A 13-bushel material collection system used an auxiliary 6-horsepower Kawasaki engine and was available with manual tilt dump or a hydraulic dump connected to a rear hydraulic outlet; it could dump 370 pounds at a height of 66 inches.Reference

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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