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Ingersoll 4120

Ingersoll 4120 tractor
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The Ingersoll 4120 is a garden tractor produced from 1992 to 1993 as part of the 4100 Series. It features a 20 hp Onan P220G 781cc 2-cylinder air-cooled gasoline engine, hydraulic Hy-Drive transmission with infinite forward and reverse speeds in two ranges, and power steering. The tractor has a wheelbase of 48 inches, weighs 723 lbs, and includes mechanical band brakes and an open operator station. It supports various attachments including mid-mount mower decks, a blade, and a snowblower.
Ingersoll 4120garden tractorOnan P220G enginehydraulic driveHy-Drive transmissionmower deckssnowblowerblade4100 Series
Power20 hp
Founded44/48/60" deck
Model4120

Technical Specifications

Detailed specifications and technical data for Ingersoll 4120

Power

Power:20HP Onan 781cc 2-cyl gasoline

Tires

Rear tire:8.00-16
Front tire:16x6.50-8

Engine

Type:gasoline
Model:Onan P220G
Cooling:air-cooled horizontal-shaft horizontally-opposed
Starter:electric
Cylinders:2-cylinder
Rated RPM:3600
Bore/Stroke:3.25x2.875 inches (83 x 73 mm)
Displacement:781 cc (47.7 ci)
Power (gross):20 hp (14.9 kW)
Starter volts:12

Capacity

Fuel:3 gal (11.4 L)
Hydraulic system:1.5 gal (5.7 L)

Features

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:Power steering
Operator station:Open operator station

Dimensions

Width:41 inches (104 cm)
Length:72 inches (182 cm)
Weight:723 lbs (327 kg)
Wheelbase:48 inches (121 cm)
Rear tread:31.5 inches (80 cm)
Front tread:33.5 inches (85 cm)
Height (hood):38.5 inches (97 cm)
Ground clearance:11 inches (27 cm)
Height (steering wheel):43.5 inches (110 cm)

Electrical

Ground:negative
Battery CCA:300
Battery volts:12
Charging amps:20
Charging system:flywheel alternator

Hydraulics

Type:open center
Capacity:1.5 gal (5.7 L)
Pressure:2800 psi (193.1 bar)
Pump flow:9.5 gpm (36.0 lpm)
Total flow:13.75 gpm (52.0 lpm)
Rear valves:2
Steering flow:2.25 gpm (8.5 lpm)
Steering press.:720 psi (49.6 bar)

Production

Series:4100 Series
Category:Garden tractor
Years produced:1992 - 1993
Manufactured in:Winneconne, Wisconsin, USA

Attachments

54" Blade:Ingersoll UB54, front-mount, 54 inches width (137 cm), hydraulic-lift, manual-angle
48" Snow blower:Ingersoll AHSB48, 48 inches width (121 cm), single-stage, front-mount, hydraulic-lift
44" mid-mount mower deck:Ingersoll AHRM44, 44 inches (111 cm), 3-blade, hydraulic lift, right-discharge
48" mid-mount mower deck:Ingersoll AHRM48, 48 inches (121 cm), 3-blade, hydraulic lift, right-discharge
60" mid-mount mower deck:Ingersoll AHRM60, 60 inches (152 cm), 3-blade, hydraulic lift, right-discharge

Transmission

Type:hydraulic drive
Gears:infinite forward and reverse (2-range)
Transmission:Hy-Drive

Serial Numbers

Location:Serial number plate on the left side of the tractor frame, above the foot rest.

Related Models

Ingersoll 4118D

Model:4118D