Looking for Hinomoto E1804 parts? Browse our complete range of compatible spare and maintenance parts for the Hinomoto E1804 mini tractor—including filters, engine parts, cooling, electrical, and hydraulic components—available directly from stock for fast worldwide delivery.
| Specification | Value |
|---|---|
| General | |
| Brand | Hinomoto |
| Model | E1804 |
| Series | Hinomoto E-serie |
| Build years | 1980-1986 |
| Engine | Toyosha CS112, 3 cylinders View → |
| Bore x stroke | 75 x 85 mm |
| Power | 18 hp (approximate, not from the manual) |
| Compression ratio | 23:1 |
| Static injection timing | 25 degrees before TDC |
| Cylinder bore | 75.000 to 75.019 mm |
| Starter motor | Hitachi with built-in reduction gear |
| Engine oil with filter | 3.7 L |
| Cylinder head bolts M12 (8 pieces) | step 1: 44 to 49 Nm, final torque: 88 to 98 Nm |
| Cylinder head bolts M10 (3 pieces) | step 1: 20 to 25 Nm, final torque: 39 to 49 Nm |
| Cooling system | Coolant 5 L (SKU-125001) View → |
| Fuel filter bowl | Check daily for water |
| Fuel filter | Every 200 hours |
| Engine oil filter | Together with the engine oil |
| Starter motor does nothing | Safety starter switch, fuse, ground cable |
| Black smoke, low power | Air filter, fuel injectors, injection timing |
| Fuel | Fuel indicator light |
| Drivetrain | |
| Drive | E1802 is 2WD, E1804 is 4WD |
| Transmission | 3 forward and 1 reverse speeds, x 2 ranges, x creeper range (approx. 5.8:1): 12 forward and 4 reverse |
| Rated engine speed | 2350 rpm |
| Idle speed | 850 to 900 rpm |
| Maximum no-load speed | 2500 to 2550 rpm |
| Clutch pressure plate (6 bolts) | 29 Nm |
| Engine to clutch housing | 70 Nm |
| Transmission and hydraulics | Transmission oil GL-4 10 L (SKU-15W402) View → |
| Brake pedal travel | 20 to 30 mm, left and right equal |
| Brake shoe | minimum 2.0 mm |
| Brake drum | maximum 122 mm |
| Manual transmission | 12 forward and 4 reverse, with creeper gear (approx. 5.8:1) |
| Hydrostatic transmission | with mid-PTO |
| Hydraulic filter (also filters transmission oil) | After the first 50 hours, then every 200 hours |
| Nominal speed | 2350 rpm |
| Gearbox speeds | 12 forward and 4 reverse (with creeper gear) |
| Clutch kit | Clutch kit (8720297954030) View → |
| Dimensions | |
| Starter motor brush length | new 16 mm, minimum 11 mm |
| PTO and hitch | |
| Hydraulic pump | Hydraulic pump (SKU-115008) View → |
| Capacities | |
| Cooling system | 4.0 L |
| Transmission, rear axle and hydraulics (shared) | approx. 23 L (gear transmission), approx. 26 L (hydrostatic) (80W GL-4) View 80W GL-4 → |
| Front axle center housing (4WD) | 1.5 L (80W90) View 80W90 → |
| Injection pump separate sump | 200 ml engine oil |
| Engine oil | Engine oil 15W-40 5 L (SKU-15W40) View 15W40 → |
| Other | |
| Displacement | 1126 cc |
| Sister model | Massey Ferguson 1020 |
| Steering ratio | 13:1 |
| Firing order | 1-3-2 |
| Valve springs per valve | 2 |
| Oil pressure | approx. 1.0 bar at 800 rpm, approx. 4.9 bar at 2700 rpm |
| Thermostat | starts opening at 69 to 73 °C, fully open at 85 °C |
| Radiator cap | opens at approx. 0.9 bar |
| Piston skirt | 74.91 to 74.93 mm |
| Piston pin | 24.989 to 24.999 mm |
| Piston clearance | 0.07 to 0.109 mm |
| Main journal | 59.960 to 59.985 mm |
| Crankpin | 47.960 to 47.980 mm |
| Bearing clearance | 0.03 to 0.095 mm, maximum 0.15 mm |
| Crankshaft end play | 0.1 to 0.3 mm |
| Battery | 12 V, negative ground |
| Alternator | permanent magnet, 12 poles, 19 A at 14 V |
| Charge indicator light | turns off at approx. 1000 rpm |
| Regulator | 14 to 15 V, separate voltage regulator, non-adjustable |
| Glow plugs | wired in parallel, approx. 0.23 ohm each |
| Valve clearance adjusting screw lock nut | 44 Nm |
| Valve cover nuts | 2 to 3 Nm |
| Rocker arm shaft | 30 to 39 Nm |
| Nozzle holder in head | 58 Nm |
| Crankshaft pulley nut | 98 Nm |
| Flywheel bolts | 44 to 49 Nm |
| Front axle wheel bolts | 88 Nm (2WD), 87 Nm (4WD) |
| Front axle | Front axle oil 80W-90 GL-4 4 L (SKU-80W90) View → |
| Daily | Check fuel filter glass for water |
| After the first 50 hours (also after an overhaul) | Replace transmission and hydraulic oil and hydraulic filter |
| Every 100 hours or every two weeks | Check injection pump oil level |
| Every 200 hours | Replace fuel filter, replace transmission and hydraulic oil and hydraulic filter |
| Every 400 hours | Change injection pump oil (200 ml), clean and grease 2WD front wheel bearings |
| Every six months | Remove fuel injectors and install a new gasket ring |
| Valve clearance cold | intake 0.30 mm, exhaust 0.35 mm |
| Valve adjusting screw lock nut | 44 Nm |
| V-belt | 8 to 10 mm deflection |
| Clutch pedal free play | 15 to 20 mm |
| Toe-in 2WD | 3 to 10 mm |
| Toe 4WD | maximum 5 mm toe-in or 5 mm toe-out |
| Injector holder in head | 58 Nm |
| Injector opening pressure | minimum 132 bar, adjust to 138 to 146 bar |
| Hydraulic lift relief pressure | 139 to 144 bar |
| Hitch relief pressure | 139 to 144 bar |
| Relief valve | on the right of the hitch cover |
| Shims | 1 mm is approx. 14 bar |
| Pump | gear pump on the timing gear cover |
| New pump run-in | approx. 30 minutes idle without load |
| Options | front PTO, power steering |
| Boiling over after approx. 20 minutes | Dirty radiator core, loose V-belt, thermostat, radiator cap, or water pump |
| Hard starting, smoke, misfiring | Sealing ring or fuel injector |
| Hard starting when cold | Glow plug defective |
| Stalling on a slope | Return line, filter, low tank level |
| Hitch jerks | Too little oil at the pump |
| Oil pressure warning light stays on | Oil pressure switch, oil level, suction pipe, or pressure relief valve |
| Charging | Turns off at approx. 1000 rpm |
| Glow | Illuminates in the GLOW position, not in the start position |
| Filter kit | Filter kit Hinomoto E1802/E1804 (SKU-10034) View → |
| Hydraulic filter | Hydraulic filter (SKU-250014) View → |
| Water pump | Water pump CS86/CS100/CS112 (SKU-292) View → |
Maintaining or repairing your Hinomoto E1804 mini tractor starts with parts that fit accurately. On this page you will find all compatible Hinomoto E1804 spare parts—from oil, fuel, and air filters to water pumps, radiator hoses, clutches, brakes, front axle seals, three-point linkage parts, and electrical components. Use the category filter to quickly jump to the exact assembly for your Hinomoto E1804.
Looking for parts for another Hinomoto model? View our complete range of Hinomoto mini tractor parts or contact our team for expert support.