The John Deere X390 is a lawn and garden tractor from the John Deere X-series. The John Deere X390 garden tractor has been produced from 2016.
The John Deere X390 lawn tractor used the Kawasaki FS651V. It is a 726 cc (44.3 cu-in) V-twin 90° air-cooled 4-stroke internal combustion small gasoline engine with a vertical shaft. The FS651V has overhead V-valves, cast iron cylinder liners, and a spherical combustion chamber. The engine is equipped with the electronic spark ignition system, internally vented carburetor with fuel shut-off solenoid. It has a 78.0 mm (3.07 in) cylinder bore and 76.0 mm (2.99 in) piston stroke. The compression ratio rating is 8.2:1. The Kawasaki FS651V produced 22.3 PS (16.4 kW; 22.0 HP) at 3,600 rpm of maximum horsepower and 53.3 Nm (5.4 kg·m; 39.3 ft·lb) at 2,000 rpm of torque.
The John Deere X390 tractor is equipped with the Kanzaki K58 (Tuff Torq K58) variable speed hydrostatic transmission (infinite forward and reverse), wet disc brakes and power steering. This tractor used open operator station, independent PTO-shaft with electric clutch and 12.5 L (3.3 US gal) fuel tank.
Following attachments are available for The John Deere X390 garden tractor:
- Mid-mount John Deere 48 (Accel Deep Mower) – 1,220 mm (48 in) mower deck with 3-blade and manual lift
- Mid-mount John Deere 54 (Accel Deep Mower) – 1,370 mm (54 in) mower deck with 3-blade and manual lift
- Front-mount blade – 1,110 mm (44 in) with manual lift
- Front-mount snow blower – 1,110 mm (44 in) dual-stage with hydraulic lift
John Deere X390 Specifications
| General Specifications | |
| Model | John Deere X390 |
| Length | 1,730 mm (72 in) |
| Width | 1,040 mm (38.5 in) |
| Height | 1,090 mm (41in) |
| Wheel base | 1,250 mm (49.4 in) |
| Weight (without mower deck) | 243 kg (535 lbs) |
| Fuel tank capacity | 12.5 L (3.3 US gal) |
| Battery | 12V |
| Engine Kawasaki FS651V | |
| Engine model | FS651V |
| Fuel | Gasoline |
| Displacement | 726 cc (44.3 cu.in.) |
| Bore x stroke | 78.0 x 76.0 mm (3.07 x 2.99 in.) |
| Power output | 22.0 HP (16.4 kW) at 3,600 rpm |
| Starter type | Electric starter |
| Oil type | 10W-30 |
| Oil capacity | 2.1 L (2.2 US.qt.) |
| Spark plug | NGK: BPR4ES |
| Transmission and chassis | |
| Chassis | 4×2 (2WD) |
| Transmission type | Hydrostatic transmission (Kanzaki / Tuff Torq K58) |
| Gears | Infinite forward and reverse |
| Ground speed | Forward: up to 10.0 kmh (6.2 mph) Reverse: up to 5.6 kmh (3.5 mph) |
| Wheels and tires | |
| Front tires | Lawn/turf: 15×6.50-8 |
| Rear tires | Lawn/turf: 22×11.00-10 |
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