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Ingersoll 4020 vs Ingersoll 4120
Verdict: Ingersoll 4020 vs Ingersoll 4120
The Ingersoll 4020 and the Ingersoll 4120 are both lawn tractors — here is how they stack up on the figures that matter. Both are rated at the same 20 hp. Ingersoll 4120 is the lighter machine (327 kg vs 765 kg), which helps on soft ground and transport, while the heavier model carries more ballast for traction-limited draft work. Ingersoll 4120 is the newer design (1992 vs 1989). Use the full side-by-side spec tables below to weigh the details against your own operation, and confirm with a dealer demo.
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Fit & specs
Ingersoll
62
Fit score
Best match
Clear
Ingersoll
62
Fit score
Best match
Clear
Rated power
20 hp
20 hp
Confidence
40%
40%
Guide price
—
—
Overview
Manufacturer
IngersollReference
IngersollReference
air-cooled horizontal-shaft horizontally-opposedReference
air-cooled horizontal-shaft horizontally-opposedReference
4020 Steering
manualReference
—
4020PS Steering
powerReference
—
Variants
4020PS
power steeringReference
—
Engine
Fuel tank
11.4 LReference
—
Displacement
47.7 ciReference
47.7 ciReference
Bore/Stroke
83 x 73 mmReference
83 x 73 mmReference
Power (gross)
14.9 kWReference
14.9 kWReference
Compression
7:1Reference
—
Starter
electricReference
electricReference
Starter volts
12Reference
12Reference
Sparkplug
Champion RS14YCReference
—
Sparkplug gap
0.635 mmReference
—
Intake valve clearance
0.127 mmReference
—
Exhaust valve clearance
0.330 mmReference
—
Rated RPM
—
3600Reference
Transmission
Transmission
Hy-DriveReference
Hy-DriveReference
Gears
infinite forward and reverse (2-range)Reference
infinite forward and reverse (2-range)Reference
Oil change
500 hReference
—
PTO & Hydraulics
Type
hydraulic driveReference
hydraulic driveReference
Pressure
39.6 barReference
193.1 barReference
Valves
2Reference
—
4020 Pump flow
30.3 lpmReference
—
4020PS Pump flow
36.0 lpmReference
—
Rear Type
0Reference
—
Front PTO
independentReference
—
Clutch
electricReference
—
Front PTO Type
pulleyReference
—
Hydraulic system
—
5.7 LReference
Capacity
—
5.7 LReference
Rear valves
—
2Reference
Pump flow
—
36.0 lpmReference
Total flow
—
52.0 lpmReference
Steering flow
—
8.5 lpmReference
Steering press.
—
49.6 barReference
Dimensions
Wheelbase
121 cmReference
121 cmReference
Weight
765 to 805 poundsReference
327 kgReference
Front tire
16x6.50-8Reference
16x6.50-8Reference
Rear tire
32x8.00-16Reference
8.00-16Reference
Lawn/turf front
16x6.50-8Reference
16x6.50-8Reference
Lawn/turf rear
32x8.00-16Reference
8.00-16Reference
Length
182 cmReference
182 cmReference
Width
104 cmReference
104 cmReference
Height (steering wheel)
110 cmReference
110 cmReference
Height (hood)
97 cmReference
97 cmReference
4020 Weight
347 kgReference
—
4020PS Weight
365 kgReference
—
Clearance (rear axle)
27 cmReference
—
Front tread
85 cmReference
85 cmReference
Rear tread
80 cmReference
80 cmReference
Ground clearance
—
27 cmReference
Ingersoll 4020 attachments
4020 Serial Number Location
Electrical
Ground
negativeReference
negativeReference
Charging system
flywheel alternatorReference
flywheel alternatorReference
Charging amps
20Reference
20Reference
Charging volts
12Reference
—
Battery CCA
300Reference
300Reference
Battery volts
12Reference
12Reference
Attachment overview
Capacities
Fuel
—
11.4 LReference
Ingersoll 4120 attachments
4120 Serial Numbers
Location:
—
Serial number plate on the left side of the tractor frame, above the foot rest.Reference
Fit score weighs budget, operation size, crop match and data confidence against the details above. It’s guidance, not advice — always confirm with a dealer demo.