John Deere
John Deere 900HC
The John Deere 900HC is a high-clearance tractor built by Yanmar and distributed by John Deere from 1986 to 1988. It features a 1.3L 3-cylinder diesel engine producing 24 hp net and 25 hp gross, with an 8-speed gear transmission. Designed for high-clearance applications, it includes mechanical rear differential lock, two-wheel drive, and a two-post fixed ROPS with optional canopy. The tractor has a wheelbase of 73 inches, weighs 2865 lbs, and uses 5.00-15 front and 11.2-28 rear tires. It has an open center hydraulic system with 2030 psi pressure and 3.1 gpm pump flow. The PTO is live with a two-stage clutch, rated at 22 hp claimed. Electrical system is 12 volts with a 25 amp alternator and 475 CCA battery.
Power25 hp
Founded1986 - 1988
Model900HC
Technical Specifications
Detailed specifications and technical data for John Deere 900HC
Power
| Engine (net) | 24 hp (17.9 kW) |
|---|---|
| PTO (claimed) | 22 hp (16.4 kW) |
| Engine (gross) | 25 hp (18.6 kW) |
Tires
| Rear tire | 11.2-28 |
|---|---|
| Front tire | 5.00-15 |
Engine
| Type | diesel |
|---|---|
| Model | John Deere 3T80J |
| Cooling | liquid-cooled inline |
| Idle RPM | 1900-2600 |
| Cylinders | 3-cylinder |
| Fuel tank | 8.5 gal (32.2 L) |
| Rated RPM | 2600 |
| Air cleaner | dry |
| Bore/Stroke | 3.15x3.25 inches (80 x 83 mm) |
| Compression | 21:1 |
| Power (net) | 24 hp (17.9 kW) |
| Displacement | 78.2 ci (1.3 L) |
| Firing order | 1-3-2 |
| Oil capacity | 4.7 qts (4.4 L) |
| Power (gross) | 25 hp (18.6 kW) |
| Starter volts | 12 |
| Coolant capacity | 5.8 qts (5.5 L) |
Height
| Hood | 58.6 inches (148 cm) |
|---|---|
| ROPS | 96.6 inches (245 cm) |
| Exhaust | 81.1 inches (205 cm) |
Dimensions
| Width | 55.1 inches (139 cm) |
|---|---|
| Length | 126.2 inches (320 cm) |
| Wheelbase | 73 inches (185 cm) |
| Rear tread | 42 to 58 inches (106 to 147 cm) |
| Front tread | 42 to 51 inches (106 to 129 cm) |
| Shipping weight | 2865 lbs (1299 kg) |
| Clearance (rear axle) | 26 inches (66 cm) |
| Clearance (front axle) | 23 inches (58 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery CCA | 475 |
| Battery Group | 30H |
| Battery volts | 12 |
| Charging amps | 25 |
| Charging system | alternator |
Hydraulics
| Type | open center |
|---|---|
| Pressure | 2030 psi (140.0 bar) |
| Pump flow | 3.1 gpm (11.7 lpm) |
Mechanical
| ROPS | Two-post fixed ROPS. Optional canopy. |
|---|---|
| Drive | Two-wheel drive |
| Brakes | Dry internal expanding shoe brakes |
| Steering | Manual |
| Final drives | bull gear |
| Differential lock | mechanical rear |
Production
| Type | High-Clearance tractor |
|---|---|
| Built in | Japan |
| Distributor | John Deere |
| Manufacturer | Yanmar |
| Original price | $13,000 in 1990 |
| Production years | 1986 - 1988 |
Transmission
| Type | gear |
|---|---|
| Gears | 8 forward and 2 reverse |
| Clutch | dry disc |
| Details | Four gears, plus reverse, in two ranges. Tractor must be stopped, and clutch used, to shift gear or range. |
| Oil capacity | 29.5 qts (27.9 L) |
Tractor hitch
| Rear Type | I |
|---|---|
| Rear lift (at 24"/610mm) | 1800 lbs (816 kg) |
Serial Numbers
| 1986 | 1001 |
|---|---|
| 1987 | 1710 |
| 1988 | 2127 |
| Final | 2276 |
| Location | Serial number plate on the rear of the 900HC, below the PTO shaft. |
Power Take-off (PTO)
| Clutch | dry dual disc |
|---|---|
| Rear PTO | live Two-stage clutch |
| Engine RPM | 540@2260 |
| Rear PTO Type | 540 (1.375) |
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