Honda HA4120

Honda HA4120The Honda HA4120 is a 2WD lawn tractor manufactured by John Deere for distributor Honda in Horicon, Wisconsin, USA from 1998 to 2001. The Honda HA4120 is equipped with a 0.6 L (37.5 cu·in) two-cylinder gasoline engine and a hydrostatic transmission with infinite forward and reverse gears.

The Honda HA4120 lawn tractor used the Honda GXV610 engine. It is a 0.6 L, 614 cm2, (37.5 cu·in) two-cylinder natural aspirated gasoline engine with 77.0 mm (3.03 in) of the cylinder bore and 66.0 mm (2.6 in) of the piston stroke. The compression ratio rating is 8.3:1. This engine produced 20.3 PS (14.9 kW; 20.0 HP) at 3,600 rpm of output power.

The Honda HA4120 is equipped with an open operator station, 9.5 liters (2.5 US gal.; 2.1 Imp. gal) fuel tank, and a mid-mount 1,210 mm (48 in) mower deck with 3-blades.

Honda HA4120 Specifications

General Specifications
ModelHonda HA4120
Length1,730 mm (68.1 in)
Width1,500 mm (59.1 in)
Height1,030 mm (40.6 in)
Wheel base1,160 mm (45.7 in)
Weight253 kg (558 lbs)
Fuel tank capacity9.5 liters (2.5 US gal.; 2.1 Imp. gal)
Cabin typeOpen operator station
Engine modelHonda GXV610
Engine typeFour-stroke, air-cooled, V-twin
Fuel typeGasoline
Displacement0.6 L, 614 cm2, (37.5 cu·in)
Bore and stroke77.0 mm X 66.0 mm (3.03 in X 2.6 in)
Compression ratio8.3:1
Horsepower20.3 PS (14.9 kW; 20.0 HP) at 3,600 rpm
Oil typeSAE 10W-30
Oil capacity:2.2 L (2.3 US. qt, 1.9 Imp. qt.)
Spark plugNGK BPR5ES
Transmission and chassis
Chassis4×2 2WD
Steering type
Transmission modelTuff Torq K61
Transmission typeHydrostatic
GearsInfinite forward and reverse
Speed Forward: 8.0 kmh (5 mph) Reverse: 3.9 (2.4 mph)
Transmission oil capacity3.4 L (0.9 US. gal, 0.7 Imp. gal.)
Front tires Lawn/turf: 15×6.00-6
Rear tires Lawn/turf: 20×10.00-8
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