· 1991 Unverified Ariens RM1228 Ariens RM1228 — 927 Series · 12 hp. Reference specifications; pending source verification.
The Ariens RM1228 is a lawn tractor with a rated output of 12 hp, positioning it in the middle of its class for power. This model was manufactured from 1991 to 1996. It features a 1-cylinder petrol air-cooled engine, transmitting power to two-wheel drive via a 6-speed gearbox. The RM1228 is suitable for areas of approximately 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Richest spec table
42 rows
Transmissions
6-speed fiction disc
Production years
1991-1996
No linked source document is currently displayed; verify critical figures with the manufacturer or dealer.
Specifications Description Maintenance Troubleshooting Ownership Reviews Q&A Docs & sources
Hover a source tag to verify UK metric US imperial
Manufacturer Ariens Reference
Riding lawn mower Reference
Built in Brillion, Wisconsin, USA Reference
Two-wheel drive Reference
Manual steering Reference
Mechanical band brakes Reference
Open operator station. Reference
12HP Briggs & Stratton 465cc 1-cyl gasoline Reference
Fuel tank 2.8 L Reference
Briggs & Stratton 286707 Reference
gasoline Reference
1-cylinder Reference
air-cooled vertical-shaft Reference
Displacement 28.4 ci Reference
Bore/Stroke 87 x 78 mm Reference
Power (gross) 8.9 kW Reference
Starter electric Reference
Starter volts 12 Reference
6-speed fiction disc Reference
Transmission Disc-O-Matic Reference
Type fiction disc Reference
Gears 6 forward and 1 reverse Reference
Mid PTO independent Reference
Clutch idler pulley Reference
Wheelbase 115 cm Reference
Front tire 4.10-3.50x4.00 Reference
Rear tire 16-6.50x8 Reference
Lawn/turf front 4.10-3.50x4.00 Reference
Lawn/turf rear 16-6.50x8 Reference
Length 158 cm Reference
Height (steering wheel) 99 cm Reference
28" mid-mount mower deck Reference
blade Reference
Ground negative Reference
Battery volts 12 Reference
28" mid-mount mower deck Reference
Blade Reference
Type mid-mount Ariens Reference
Type 1-blade with manual lift Reference
Cutting width 71 cm Reference
Cut height 3 to 8 cm Reference
Cut positions 5 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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Request a quote Who it suits Operation size Up to 200 ac
Budget class Entry
Is it right for you? Operation size Under 200 ac 200–1,500 ac 1,500+ ac
Need a front loader? Yes No
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