Lawn Tractor · 1992 Unverified Ingersoll 4120 Ingersoll 4120 — Garden tractor · 20 hp. Reference specifications; pending source verification.
The Ingersoll 4120 is a lawn tractor with a rated power output of 20 hp, positioning it at the more powerful end of its class. It was manufactured from 1992 to 1993, featuring a 2-cylinder petrol air-cooled engine coupled with two-wheel drive. The operating weight of this model is listed at 327 kg, and it is suitable for operations on areas of up to 200 acres.
Provisional listing — the headline figure is shown; full specifications are auto-generated and pending verification against published sources.
Catalogue coverageRichest spec table
61 rows
Production years
1992-1993
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
OverviewManufacturer Ingersoll Reference
Garden tractor Reference
Built in Winneconne, Wisconsin, USA Reference
Two-wheel drive Reference
Power steering Reference
Mechanical band brakes Reference
Open operator station. Reference
Engine20HP Onan 781cc 2-cyl gasoline Reference
Onan P220G Reference
gasoline Reference
2-cylinder Reference
air-cooled horizontal-shaft horizontally-opposed Reference
Displacement 47.7 ci Reference
Bore/Stroke 83 x 73 mm Reference
Power (gross) 14.9 kW Reference
Rated RPM 3600 Reference
Starter electric Reference
Starter volts 12 Reference
Transmissionhydraulic drive Reference
Transmission Hy-Drive Reference
Type hydraulic drive Reference
Gears infinite forward and reverse (2-range) Reference
PTO & HydraulicsHydraulic system 5.7 L Reference
Type open center Reference
Capacity 5.7 L Reference
Pressure 193.1 bar Reference
Rear valves 2 Reference
Pump flow 36.0 lpm Reference
Total flow 52.0 lpm Reference
Steering flow 8.5 lpm Reference
Steering press. 49.6 bar Reference
DimensionsWheelbase 121 cm Reference
Weight 327 kg Reference
Front tire 16x6.50-8 Reference
Rear tire 8.00-16 Reference
Lawn/turf front 16x6.50-8 Reference
Lawn/turf rear 8.00-16 Reference
Length 182 cm Reference
Width 104 cm Reference
Height (steering wheel) 110 cm Reference
Height (hood) 97 cm Reference
Ground clearance 27 cm Reference
Front tread 85 cm Reference
Rear tread 80 cm Reference
Ingersoll 4120 attachments44" mid-mount mower deck Reference
48" mid-mount mower deck Reference
60" mid-mount mower deck Reference
snowblower Reference
blade Reference
4120 Serial NumbersLocation: Serial number plate on the left side of the tractor frame, above the foot rest. Reference
ElectricalGround negative Reference
Charging system flywheel alternator Reference
Charging amps 20 Reference
Battery CCA 300 Reference
Battery volts 12 Reference
Attachment overview44" mid-mount mower deck Reference
48" mid-mount mower deck Reference
60" mid-mount mower deck Reference
Snowblower Reference
Blade 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
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