John Deere lawn tractors 318 tractor specifications

1983 - 1992

1983 - 1992 300 SeriesGarden tractor

Production

Production ManufacturerJohn Deere Garden tractor Built in Horicon, Wisconsin, USA Original price$5,099 (1983 ) $5,650 (1989 )

John Deere 318 Engines

John Deere 318 Engines 18HP Onan 709cc 2-cyl gasoline 18HP Onan 781cc 2-cyl gasoline Engine details ...

1983 - 1992

300 Series

Garden tractor

Engines overview

Engines overview
18HP Onan 709cc 2-cyl gasoline
18HP Onan 781cc 2-cyl gasoline

Engine Detail

Engine Detail
Onan B43G
gasoline
2-cylinder 4-valve
air-cooled horizontal-shaft opposed twin
The Onan B43G was used from 1983 to 1987, ending with tractor serial number M00318X420000.
Displacement	709 cc 43.3 ci
Bore/Stroke	3.25x2.62 inches 83 x 67 mm
Power (gross)	18 hp 13.4 kW
Air cleaner	foam and paper
Compression	6.5:1
Idle RPM	1350-3450
Starter volts	12
Sparkplug	JD AM38622
	NGK BPR5EFS
	Motorcraft AGRF32
Sparkplug gap	0.025 inches 0.635 mm

Engine Oil

Engine Oil

Oil capacity	1.75 qts 1.7 L

Engine Detail

Engine Detail
Onan P218
gasoline
2-cylinder
air-cooled horizontal-shaft opposed twin
The Onan P218 was used in the John Deere 318 from 1987, beginning at serial number M00318X420001, through the end of production.
Displacement	781 cc 47.7 ci
Bore/Stroke	3.25x2.88 inches 83 x 73 mm
Power (gross)	18 hp 13.4 kW
Compression	7:1
Idle RPM	1350-3450
Torque	31 lb-ft 42.0 Nm
Torque RPM	2200
Starter volts	12
Sparkplug	NGK BPR5EFS
	Champion RS14YC
Sparkplug gap	0.025 inches 0.635 mm

Engine Oil

Engine Oil

Oil capacity	1.75 qts 1.7 L

John Deere 318 Transmission

John Deere 318 Transmission hydrostatic Transmission details ...

1983 - 1992

300 Series

Garden tractor

Transmission

Transmission
Transmission	Sundstrand Series 15 Model 90
Type	shaft-driven hydrostatic
Gears	infinite forward and reverse
Oil capacity	5 qts 4.7 L
Sundstrand Series 15 hydrostatic unit mated to a Peerless differential.

Speeds

Speeds

Shift Pattern

Shift Pattern

Mechanical

Mechanical Two-wheel drive Power steering Differential mechanical drum brakes Open operator station.

Capacity

Capacity Fuel4.5 gal
17.0 L Hydraulic system1.2 gal
4.5 L

Hydraulics

Hydraulics Capacity1.2 gal
4.5 L Front valves2

Tractor hitch

Tractor hitch Rear Type0 OptOptional Controlnon-position control Rear lift (at 24"/610mm)640 lbs
290 kg

Power Take-off (PTO)

Power Take-off (PTO) Rear PTOindependent OptOptional Clutchelectric Rear RPM2000 Front PTOindependent Clutchelectric Front RPM3600

Dimensions & Tires

Dimensions & Tires Wheelbase46 inches
116 cm Weight780 to 836 pounds Front tire16x6.50-8 Rear tire23x10.50-12 Full dimensions and tires ...

1983 - 1992

300 Series

Garden tractor

John Deere 318 Tires

John Deere 318 Tires
Ag front	4.80x4.00-8
Ag rear	23x10.50
Lawn/turf front	16x6.50-8
Lawn/turf rear	23x10.50-12

318 Serial Numbers

318 Serial Numbers 1983M00318X222001 1984M00318X285001 1985M00318X315001 1986M00318X360001 1987M00318X420001 1988M00318X475001 1989M00318X595001 1990M00318X010001 1991M00318X100001 1992M00318X110001 FinalM00318X120000
FAQ: How to read a serial number table.