Introduction
John Deere HA4120 Lawn Tractor
The John Deere HA4120 is a lawn tractor produced between 1998 and 2001. Manufactured in Horicon, Wisconsin, USA, this model is part of the HA4118 series and is designed for residential property maintenance and turf management.
Engine and Powertrain
The tractor is powered by a 614 cc (37.5 ci) air-cooled V-twin 2-cylinder engine, producing 20 hp (14.9 kW) at a rated speed of 3600 RPM. It utilizes an electric starter and operates on a 12-volt electrical system. The engine maintenance requires a 2.1-liter oil capacity, with ignition supported by NGK BPR5ES spark plugs set to a 0.762 mm gap.
Transmission and PTO
The drivetrain features a Tuff Torq K61 hydrostatic transmission driven by a belt. This system provides infinite forward and reverse gears, allowing for precise speed control during operation. The machine is equipped with an independent mid-mounted PTO, which uses an electric clutch and pulley system for the engagement of mowing attachments.
Dimensions and Chassis
Built on a two-wheel-drive chassis, the HA4120 has a wheelbase of 116 cm (45.9 inches) and a total weight of 253 kg (559 lbs). The tractor measures 173 cm in length, 150 cm in width, and 103 cm in height. It is fitted with 15x6.00-6 front turf tires and 20x10.00-8 rear turf tires to maintain traction while protecting lawn surfaces.
Conclusion
The John Deere HA4120 is a compact, hydrostatic-drive lawn tractor suited for residential lawn care and groundskeeping tasks. Its 20 hp engine and independent mid-PTO system provide the necessary power and flexibility for use with a 48-inch mower deck.
Production Information of Honda lawn tractors, HA4120
- Built in Horicon, Wisconsin, USA
- Lawn tractor
| Distributor | Honda |
|---|---|
| Manufacturer | John Deere |
Dimension and Tires Information of Honda lawn tractors, HA4120
| Wheelbase | 45.9 inches [116 cm] |
|---|---|
| Weight | 559 lbs [253 kg] |
| Height | 40.7 inches [103 cm] |
| Length | 68.4 inches [173 cm] |
| Width | 59.2 inches [150 cm] |
| Lawn/turf front | 15x6.00-6 |
|---|---|
| Lawn/turf rear | 20x10.00-8 |
Engine Specifications of Honda lawn tractors, HA4120
- Air-cooled V-Twin
- 2-cylinder
| Sparkplug | NGK BPR5ES |
|---|---|
| Displacement | 614 cc [37.5 ci] |
| Oil capacity | 2.2 qts [2.1 L] |
| Rated RPM | 3600 |
| Bore/Stroke | 3.03x2.60 inches [77 x 66 mm] |
| Sparkplug gap | 0.030 inches [0.762 mm] |
| Starter volts | 12 |
| Starter | Electric |
| Power | 20 hp [14.9 kW] |
Transmission Information of Honda lawn tractors, HA4120
Transmission variants 1
| Transmission | Tuff Torq K61 |
|---|---|
| Oil type | SAE 10W-30 SH |
| Oil capacity | 3.6 qts [3.4 L] |
| Type | Belt-driven hydrostatic |
| Type(optional) | SAE 10W-30 SH |
| Gears | Infinite forward and reverse |
Mechanical Specs of Honda lawn tractors, HA4120
- Two-wheel drive
- Open operator station.
Power Information of Honda lawn tractors, HA4120
| Mid PTO | Independent |
|---|---|
| Clutch | Electric |
| Mid PTO Type | Pulley |
Electrical System of Honda lawn tractors, HA4120
| Ground | Negative |
|---|---|
| Battery volts | 12 |
Where it sits
With 20 HP, the Honda lawn tractors HA4120 sits just above HA4118 (18 HP) in Honda lawn tractors's range. Its power puts it in the 93th percentile of 1990s models in our database (1093 machines).
Frequently asked questions
How much horsepower does the Honda lawn tractors HA4120 have?
The Honda lawn tractors HA4120 delivers 20 HP.
What years was the Honda lawn tractors HA4120 produced?
The Honda lawn tractors HA4120 was produced in 1998-2001.
What engine does the Honda lawn tractors HA4120 have?
The Honda lawn tractors HA4120 is powered by a 2-cylinder engine.
What transmission does the Honda lawn tractors HA4120 use?
The Honda lawn tractors HA4120 uses a Tuff Torq K61 transmission.
How much does the Honda lawn tractors HA4120 weigh?
The Honda lawn tractors HA4120 weighs 559 lbs [253 kg].
Is the Honda lawn tractors HA4120 4WD?
The Honda lawn tractors HA4120 is available in 2WD.