Steiner S-20
The Steiner S-20 is a tractor produced by Steiner Lawn Tractors. It is equipped with a 599 cc 36.6 ci engine. The listed engine power is Gasoline (listed): 20 hp / 14.9 kW; Gasoline (listed): 20 hp / 14.9 kW. Transmission: Sundstrand. Operating weight: 975 lbs (air-cooled) 442 kg.
Engine Power
Gasoline (listed): 20 hp / 14.9 kW; Gasoline (listed): 20 hp / 14.9 kW
Fuel & Capacities
Gasoline
Transmission
Sundstrand
Operating Weight
975 lbs (air-cooled)
442 kg
Overview
![]() | 1980 - 1987
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Steiner |
Garden tractor | |
Steiner S-20 Transmission | |
|---|---|
hydrostatic | |
Transmission details ... |
Mechanical | |
|---|---|
Four-wheel drive | |
Articulated power steering | |
Disc brakes | |
Open operator station. |
Tractor hitch | |
|---|---|
Rear Type | 0 OptOptional |
Dimensions & Tires | |
|---|---|
Wheelbase | 38 inches
96 cm |
Weight | 975 to 1010 pounds |
Front tire | 21x11.00-8 |
Rear tire | 21x11.00-8 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | flywheel alternator |
Charging amps | 15 (B48G) |
20 (P220) | |
12.5 (Kubota) | |
Battery volts | 12 |
Engine
Engine options | |
|---|---|
20HP Onan 781cc 2-cyl gasoline | |
Kubota 599cc 3-cyl diesel | |
Kubota 599cc 3-cyl gasoline |
Engine Detail — 781 cc / 47.7 ci Gasoline
Manufacturer | Onan B48G |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft opposed twin |
Displacement | 781 cc
47.7 ci |
Bore/Stroke | 3.25x2.875 inches
83 x 73 mm |
Power | 20 hp
14.9 kW |
Air cleaner | paper element |
Compression | 7:1 |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 1.7 qts
1.6 L |
Engine Detail — 781 cc / 47.7 ci Gasoline
Manufacturer | Onan P220 |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft opposed twin |
Displacement | 781 cc
47.7 ci |
Bore/Stroke | 3.25x2.875 inches
83 x 73 mm |
Power | 20 hp
14.9 kW |
Air cleaner | paper element |
Compression | 7:1 |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 1.7 qts
1.6 L |
Engine Detail — 599 cc / 36.6 ci Diesel
Manufacturer | Kubota D600-B |
Fuel Type | Diesel |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 599 cc
36.6 ci |
Bore/Stroke | 2.52x2.45 inches
64 x 62 mm |
Air cleaner | paper element |
Compression | 23:1 |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 3.1 qts
2.9 L |
Engine Detail — 599 cc / 36.6 ci Gasoline
Manufacturer | Kubota WG600-B |
Fuel Type | Gasoline |
Configuration | 3-cylinder, liquid-cooled |
Displacement | 599 cc
36.6 ci |
Bore/Stroke | 2.52x2.45 inches
64 x 62 mm |
Air cleaner | paper element |
Compression | 9.2:1 |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 3.1 qts
2.9 L |
Transmission
Transmission — Sundstrand
Transmission | Sundstrand |
Type | hydrostatic |
Gears | infinite forward and reverse |
Sundstrand series 15 hydrostatic with Peerless 2500 two-speed transaxles. | |
![]() | |
Dimensions
Steiner S-20 Tires | |
|---|---|
Lawn/turf front | 21x11.00-8 |
Lawn/turf rear | 21x11.00-8 |
Dimensions | |
|---|---|
Wheelbase | 38 inches
96 cm |
Length | 64 inches
162 cm |
Width | 44 inches
111 cm |
Height | 46 inches
116 cm |
Weight | 975 lbs (air-cooled)
442 kg |
1010 lbs (liquid-cooled)
458 kg | |
Photos
Steiner Lawn Tractors Steiner S-20 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Steiner Lawn Tractors Steiner S-20.
Converted Equivalents:
Horsepower (HP)0 hp
Kilowatts (kW)0 kW
Metric Horsepower (PS / CV)0 PS
Direct Competitor Comparison
Compare Steiner S-20 against same-era industry alternatives in the same horsepower class.
Current Model
Steiner Lawn Tractors
Steiner S-20
Engine Power:Gasoline (listed): 20 hp / 14.9 kW; Gasoline (listed): 20 hp / 14.9 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 184 Lo-Boy
Engine Power:18
Production Years:1977 - 1980
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