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 listed engine power is Gasoline (gross): 20 hp / 14.9 kW. Transmission: Hy-Drive. Operating weight: 765 to 805 pounds.
Engine Power
Gasoline (gross): 20 hp / 14.9 kW
Fuel & Capacities
3 gal
11.4 L
Transmission
Hy-Drive
Operating Weight
765 to 805 pounds
Overview
 | 1989 - 2004
4000 SeriesGarden tractor
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
Ingersoll 4020
Ingersoll 4020
Ingersoll 4020
Ingersoll 4020
Ingersoll 4020 with mower deck.
Ingersoll 4020 with mower deck.
Recommended Implements & Sizing Guide
Engineering recommendations for Ingersoll Lawn Tractors Ingersoll 4020 based on its 20 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 1 to 2 Bottom (12")1 - 2 铧 (30 cm) | Light Duty | Ideal for garden plots and light sandy soil. |
Rotary Cutter / MowerMowing & Clearing | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
Disc HarrowSecondary Tillage | 5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片) | Light Duty | Small acreage soil break-up and secondary aeration. |
Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Ingersoll Lawn Tractors Ingersoll 4020.
Estimated Continuous Field Runtime: 2.9 hrs
Approximately 2.9 hours of continuous field operation at ~75% rated power on a full tank (3 gal / 11.4 L).
Estimated 75% Load Fuel Burn~1 gal/hr (3.9 L/hr)
Engine Crankcase Oil
SAE 15W-40 (Heavy Duty Diesel)
Standard Spec: API CK-4 / CJ-4 Heavy Duty
Service Interval: 150 – 250 Hours
Transmission & Hydraulic System
UTTO (Universal Tractor Transmission Oil)
Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)
Service Interval: 600 – 1000 Hours
Engine Cooling System
50/50 Ethylene Glycol Pre-mix
Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze
Service Interval: 2 Years / 1500 Hours
Ingersoll Lawn Tractors Ingersoll 4020 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ingersoll Lawn Tractors Ingersoll 4020.
Converted Equivalents:
Horsepower (HP)20 hp
Kilowatts (kW)14.9 kW
Metric Horsepower (PS / CV)20.3 PS
Direct Competitor Comparison
Compare Ingersoll 4020 against same-era industry alternatives in the same horsepower class.
Current Model
Ingersoll Lawn Tractors
Ingersoll 4020
Engine Power:Gasoline (gross): 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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