Honda H4514

Honda H4514The Honda H4514 is a lawn tractor with Honda GX360 general-purpose engine 0.36 l (359 cc). The Honda H4514H is equipped with hydrostatic transmission and 965 mm (38 in.) or 1190 mm (42 in.) mower deck. The mower deck is adjustable in seven increments for cutting heights between 25 mm (1 in.) and 100 mm (4 in). The Honda H4514 lawn tractor was produced from 1990 to 1998.

The Honda GX360 is two cylinders water-cooled gasoline engine. It develops 13.2 PS (13 HP, 9.7 kW) at 3600 rpm of maximum horsepower and 25.7 Nm (2.54 kg·m, 19 ft·lb) at 3,000 rpm of peak torque. The GX360 engine has an electric starter and transistorized ignition. This engine has a 58.0 mm (2.3 in) of the cylinder bore and 68.0 mm (2.7 in) of the piston stroke, and 8.5:1 compression ratio rating.

The Honda H4514 lawn tractor is equipped with hydrostatic transmission. This transmission has three approximate ground speeds: “Reverse” to 3.4 km/h (2.1 mph), “Mowing” to 5.1 km/h (3.2 mph) and “Transport” to 7.6 km/h (4.7 mph)

General information

General Specifications
ModelHonda H4514H
Length1,815 mm (71.5 in)
Width 38 inch deck type: 1,270 mm (50.0 in)
42 inch deck type: 1,460 mm (57.5 in)
Height1,050 mm (41.3 in)
Wheel base1190 mm (46.9 in.)
Dry weight 38 inch deck type: 258.0 kg (569.0 lbs)
42 inch deck type: 270.0 kg (595.0 lbs)
Fuel tank capacity9.0 l (2.38 US gal., 1.98 Imp gal.)
Engine modelHonda GX360 K1
Displacement359 cm3 (21.9 cu-in)
Bore x stroke58.0 X 68.0 mm (2.3 x 2.7 in)
Max. horsepower13.2 PS (13 HP, 9.7 kW) at 3600 rpm
Max. torque25.7 Nm (2.54 kg·m, 19 ft·lb) at 3000 rpm
CarburetorHorizontal type, butterfly valve
Cooling systemLiquid-cooling
Ignition systemTransistorized magneto ignition
Lubricating systemForced oil by trochoid pump
Starting systemElectric starter
Stoping systemIgnition primary circuit ground
Fuel usedUnleaded gasoline (octane number 86 or higher)
Hydrostatic type transmission
TypeOil pressure-type variable-speed transmission
Groung speeds Reverse: 3.4 km/h (2.1 mph)
Mowing: 5.z km/h (3.2 mph)
Transport: 7.6 km/h (4.7 mph)
Wheels and tires
Front tires size15×6.0-6
Front tires pressure98 kPa (1.0 kg/cm2, 14 psi)
Rear tires size20.5×8.5-10
Rear tires pressure79 kPa (0.8 kg/cm2, 11.4 psi)
Mower Deck
Deck size965 mm (38 in.) or 1,060 mm (42 in.)
Height range25-100 mm (1-4 in.)

Maintenance data

Idle speed1,300 ± 150 rpm
Cylinder compression12.0 kg/cm2 (171 psi) at 500 rpm
Valve clearance
Intake valve0.10-0.14 mm (0.004-0.006 in)
Exhaust valve0.10-0.14 mm (0.004-0.006 in)
Main jet#88
Float height13.2 mm (0.52 in)
Pilot screw opening1-1/4 turns out
Oil system
Oil typeHonda 4-stroke or an equivalent (SE or SF)
Recommended oilSAE 10W-40
Oil capacity (without filter changed)1.1 L (1.16 US qt)
Oil capacity (with filter changed)1.4 L (1.48 US qt)
Oil pressure (min)2.0 kg/cm2 (28.4 psi)
Cooling system
Coolant capacity (radiator and engine)2.0 L (2.11 US qt)
Coolant capacity (reserve tank)0.4 L (0.43 US qt)
Coolant capacity (total system)2.4 L (2.54 US qt)
Sub valve (start opening)77° C (171° F)
Sub valve (fully open)82° C (180° F)
Sub valve (lift height)1.5 mm (0.06 in)
Main valve (fully open)85 ° C (185 ° F)
Sub valve (lift height)6.5 mm (0.26 in)
Temperature range for continuity110° ± 2° C (230° ± 36° C)
Oil pump
Tip clearance (standard)0.15 mm (0.006 in)
Outer rotor clearance (standard)0.12-0.22 mm (0.005-0.009 in)
Rotor-to-pump body clearance (standard)0.04-0.09 mm (0.0016-0.0035 in)
Ignition system
Ignition timing24 ° ± 4 ° B.T.D.C (Fixed)
Spark plug gap0.6-0.7 mm (0.024-0.028 in)
Primary side ignition coil resistance0.9-1.1 kΩ
Secondary side ignition coil resistance8.8-13.2 kΩ
Ignition coil air gap0.4 ± 0.2 (0.016 ± 0.008)
Starter motor
Brush length14 mm (0.55 in), limit: 9.0 mm (0.35 in)
Mica depth (limit)0.2 mm (0.008 in)
Hydrostatic transmission lube
Transmission oil typeHonda hydrostatic transmission oil


Honda 38″ mid-mount mower deck
Cutting width960 mm (38 in)
Honda 42″ mid-mount mower deck
Cutting width1,060 mm (42 in)
Author: Sergei Wers
About: Co-founder and CEO of a multi-brand auto repair shop (engine repair, chassis repair, body repair and painting) for over 15 years. I have been developing internet sites with technical specifications for more than seven years.

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We try to use official documentation and verify the published data, but errors may occur. In addition, specifications of machinery and equipment may vary depending on markets and modifications. We do not recommend the use of this data for spare parts or repairs. Use official service manuals or parts catalogs for your product.

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