Ingersoll 4020
The Ingersoll 4020 is a tractor produced by Ingersoll Lawn Tractors. It is equipped with a 781 cc 47.7 ci engine. The rated power output is 20 hp 14.9 kW. Transmission: Hy-Drive. Operating weight: 765 to 805 pounds.
Engine Power
20 hp
14.9 kW
Fuel & Capacities
3 gal
11.4 L
Transmission
Hy-Drive
Operating Weight
765 to 805 pounds
Ingersoll Lawn Tractors Ingersoll 4020 Serial Number & Year Decoder
Find the exact manufacture year of your tractor by checking your chassis serial number below.
Where to Find the Serial NumberThe serial number plate is commonly located on the front frame, tractor transmission housing (right side), or instrument panel badge.
Overview
![]() | 1989 - 2004
4000 SeriesGarden tractor |
|---|---|
1989 - 2004 | |
4000 Series | |
Garden tractor | |
Production | |
|---|---|
Manufacturer | Ingersoll |
Garden tractor | |
Built in Winneconne, Wisconsin, USA | |
Variants | |
|---|---|
4020PS | power steering |
Ingersoll 4020 Engine | |
|---|---|
20HP Onan 781cc 2-cyl gasoline | |
Fuel tank | 3 gal
11.4 L |
Engine details ... | |
Ingersoll 4020 Transmission | |
|---|---|
hydraulic drive | |
Transmission details ... |
Mechanical | |
|---|---|
Two-wheel drive | |
4020 Steering | manual |
4020PS Steering | power |
Open operator station. | |
Hydraulics | |
|---|---|
Type | open center |
Pressure | 2100 psi (transmission)
144.8 bar |
575 psi (lift)
39.6 bar | |
Valves | 2 |
4020 Pump flow | 8 gpm
30.3 lpm |
4020PS Pump flow | 9.5 gpm
36.0 lpm |
Tractor hitch | |
|---|---|
Rear Type | 0 OptOptional |
Dimensions & Tires | |
|---|---|
Wheelbase | 48 inches
121 cm |
Weight | 765 to 805 pounds |
Front tire | 16x6.50-8 |
Rear tire | 32x8.00-16 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | flywheel alternator |
Charging amps | 20 |
Charging volts | 12 |
Battery CCA | 300 |
Battery volts | 12 |
References | |
|---|---|
![]() | |
Compact Tractors 3012, 3014, 3016, 3018, 3018PS, 4016, 4020, 4020PS (8-59130) published in 1993 |
Engine
Engine Detail — 781 cc / 47.7 ci Gasoline
Manufacturer | Onan P220G |
Fuel Type | Gasoline |
Configuration | 2-cylinder, air-cooled horizontal-shaft horizontally-opposed |
Displacement | 781 cc
47.7 ci |
Bore/Stroke | 3.25x2.875 inches
83 x 73 mm |
Power (gross) | 20 hp
14.9 kW |
Compression | 7:1 |
Starter | electric |
Starter volts | 12 |
Sparkplug | Champion RS14YC |
Sparkplug gap | 0.025 inches
0.635 mm |
Intake valve clearance | 0.005 inches*Cold
0.127 mm |
Exhaust valve clearance | 0.013 inches*Cold
0.330 mm |
Transmission
Transmission — Hy-Drive
Transmission | Hy-Drive |
Type | hydraulic drive |
Gears | infinite forward and reverse (2-range) |
Oil change | 500 h |
![]() | |
Dimensions
Ingersoll 4020 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 32x8.00-16 |
Dimensions | |
|---|---|
Wheelbase | 48 inches
121 cm |
Length | 72 inches
182 cm |
Width | 41 inches
104 cm |
Height (steering wheel) | 43.5 inches
110 cm |
Height (hood) | 38.5 inches
97 cm |
4020 Weight | 765 lbs
347 kg |
4020PS Weight | 805 lbs
365 kg |
Clearance (rear axle) | 11 inches
27 cm |
Front tread | 31.5 inches
80 cm |
Rear tread | 33.5 inches
85 cm |
Attachments
Attachment overview | |
|---|---|
44" mid-mount mower deck | |
48" mid-mount mower deck | |
60" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
Photos
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