Yamaha lawn tractors
Yamaha YT6800
The Yamaha YT6800 is a lawn tractor produced from 1989 to 1992. It features an 18 hp Yamaha 573cc 2-cylinder gasoline engine with a belt-driven hydrostatic transmission. The tractor has two-wheel drive, manual steering, and drum brakes. It includes a mid PTO with an electric clutch. Dimensions include a 46.1 inch wheelbase, 68.9 inch length, and a shipping weight of 540 lbs. Tires are sized 15x6.00-6 front and 20x10.00-8 rear. Electrical system uses a negative ground with a flywheel magneto charging system. Attachments available include a 48" mid-mount mower deck, a 42" snowblower, and a 46" front-mount blade.
Power-
Founded-
ModelYT6800
Technical Specifications
Detailed specifications and technical data for Yamaha YT6800
Tires
| Rear tire | 20x10.00-8 |
|---|---|
| Front tire | 15x6.00-6 |
Engine
| Type | 18HP Yamaha 573cc 2-cyl gasoline |
|---|---|
| Starter | electric |
| Fuel tank | 2.5 gal (9.5 L) |
| Sparkplug | NGK BPR5HS |
| Bore/Stroke | 3.07x2.36 inches (78 x 60 mm) |
| Compression | 8.6:1 |
| Displacement | 573 cc (34.97 ci) |
| Oil capacity | 1.9 qts (1.8 L) |
| Power (gross) | 18 hp (13.4 kW) |
| Sparkplug gap | 0.026 inches (0.660 mm) |
| Starter volts | 12 |
Dimensions
| Width | 63.4 inches (161 cm) |
|---|---|
| Height | 41.1 inches (104 cm) |
| Length | 68.9 inches (175 cm) |
| Wheelbase | 46.1 inches (117 cm) |
| Rear tread | 28.7 inches (72 cm) |
| Front tread | 29.1 inches (73 cm) |
| Shipping weight | 540 lbs (244 kg) |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 26 |
| Battery volts | 12 |
| Charging amps | 7 |
| Charging volts | 14.5 |
| Charging system | flywheel magneto |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Drum brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Original price | $3,795 in 1991 |
|---|---|
| Years produced | 1989 - 1992 |
Attachments
| Blade | 46 inches width, front-mount Yamaha, angling 30° |
|---|---|
| Snowblower | 42 inches width, front-mount Yamaha |
| 48" mid-mount mower deck | 48 inches cutting width, 3-blade, cut height 1.5 to 4.5 inch (3 to 11 cm), mid-mount Yamaha |
Transmission
| Type | belt-driven hydrostatic |
|---|
Power Take-off (PTO)
| Type | independent |
|---|---|
| Clutch | electric |
| Location | Mid PTO |