The Honda H4013 is a lawn tractor with small vertical general-purpose Honda GXV390 engine (389 cc, 23.7 cu-in) and 965 mm (38 in.) belt driven mower deck that is adjustable for cutting heights between 25 mm (1 in.) and 96 mm (4 in). The Honda H4013 lawn tractor was produced from 1990 to 1991.
The Honda GXV390 is air-cooled single-cylinder four-stroke gasoline engine with vertical PTO shaft. The GXV390 engine has an OHV design with two valves; sophisticated air intake system and multi-chamber exhaust system. An 88.0 mm (3.46 in) cylinder bore and 64.0 mm (2.5 in) piston stroke give the motor a total of 389 cc (23.7 cu-in) of displacement. Compression ratio rating is 7.7:1. The Honda GXV390 motor produces 13.0 HP (9.7 kW) at 3,600 rpm and 28.0 Nm (2.8 kg·m, 20.3 ft·lb) of torque at 2,500 rpm.
The Honda H4013 uses constant mesh transmission with key slide shift type. The transmission has five forward gears from 1.7 km/h to 7.6 km/h (1.1 mph to 4.7 mph), neutral gear and single reverse gear 3.6 km/h (2.2 mph).
Honda H4013 specifications
| General Specifications | |
| Model | Honda H4013 |
| Length | 1815 mm (71.5 in) |
| Width | 1270 mm (50.0 in) |
| Height | 1050 mm (41.3 in) |
| Wheel base | 1190 mm (46.9 in.) |
| Dry weight (without tines) | 246.0 kg (542.0 lbs) |
| Front tires size | 15×6.0-6 |
| Front tires pressure | 98 kPa (1.0 kg/cm2, 14 psi) |
| Rear tires size | 20.5×8.5-10 |
| Rear tires pressure | 78 kPa (0.8 kg/cm2, 11 psi) |
| Engine | |
| Engine model | Honda GXV390 |
| Displacement | 389 cm3 (23.7 cu-in) |
| Bore x stroke | 88.0 X 64.0 mm (3.46 x 2.5 in) |
| Max. horsepower | 13.0 HP (9.7 kW) at 3600 rpm |
| Max. torque | 28.0 Nm (2.8 kg·m, 20.3 ft·lb) at 2,500 rpm |
| Carburetor | Horizontal type, butterfly valve |
| Cooling system | Forced-air |
| Ignition system | Transistorized magneto ignition |
| Lubricating system | Pressure and splash |
| Starting system | Electric starter |
| Stoping system | Ignition primary circuit ground |
| Fuel used | Unleaded gasoline (octane number 86 or higher) |
| Fuel tank capacity | 9.0 l (2.38 US gal. 1.98 Imp. gal) |
| Spark plug | NGK: BPR5ES NIPPONDENSO: W16EPR-U |
| Oil type | Honda 4-stroke or an equivalent (SF or SG) |
| Recommended oil | SAE 10W-30 |
| Oil capacity | 1.1 L (1.2 US gal, 1.0 lmp qt) |
| Transmission | |
| Gear type | Constant mesh, key slide shift type |
| Gear selections | Five forward, one reverse |
| Groung speeds |
First: 1.7 km/h (1.1 mph) Second: 3.4 km/h (2.1 mph) Third: 5.1 km/h (3.2 mph) Fourth: 6.4 km/h (4.0 mph) Fifth: 7.6 km/h (4.7 mph) Reverse: 3.6 km/h (2.2 mph) |
| Mower Deck | |
| Deck size | 965 mm (38 in.) |
| Height range | 25-96 mm (1-4 in.) |
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