MTD lawn tractors
MTD 990 Fourteen Hundred
The MTD 990 Fourteen Hundred is a garden tractor produced from 1971 to 1984 as part of the 900 Series. It features a 14 hp Briggs & Stratton 531cc 1-cylinder gasoline engine with a 4.5 gallon fuel tank. The tractor uses a shaft-driven hydrostatic transmission by Eaton with infinite forward and reverse speeds in two ranges. It has two-wheel drive, manual steering, disc brakes, and an open operator station. The tractor hitch is a sleeve hitch, and the mid PTO is independent with a manual clutch. Dimensions include a 49.5 inch wheelbase, 875 lbs weight, and lawn/turf tires sized 16x6.50-8 front and 27x9.50-12 rear. Electrical system is 12 volts with negative ground. Attachments available include a 42" mid-mount mower deck, 54" front blade, and 36" front snow blower.
Power14 hp
Founded42" deck
Model990
Technical Specifications
Detailed specifications and technical data for MTD 990 Fourteen Hundred
Engine
| Type | gasoline |
|---|---|
| Model | Briggs & Stratton 320000 |
| Power | 14 hp (10.4 kW) |
| Cooling | air-cooled horizontal-shaft |
| Starter | electric |
| Cylinders | 1-cylinder |
| Fuel tank | 4.5 gal (17.0 L) |
| Bore/Stroke | 3.56x3.25 inches (90 x 83 mm) |
| Displacement | 531 cc (32.4 ci) |
| Starter volts | 12 |
Dimensions
| Weight | 875 lbs (396 kg) |
|---|---|
| Rear tire | 27x9.50-12 |
| Wheelbase | 49.5 inches (125 cm) |
| Front tire | 16x6.50-8 |
| Rear tread | 30 to 35 inches (76 to 88 cm) |
| Front tread | 28 inches (71 cm) |
Electrical
| Ground | negative |
|---|---|
| Battery volts | 12 |
Mechanical
| Drive | Two-wheel drive |
|---|---|
| Brakes | Disc brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Production
| Type | Garden tractor |
|---|---|
| Series | 900 Series |
| Built in | Strongsville, Ohio, USA |
| Original price | $1,199 in 1971 |
| Years produced | 1971 - 1984 |
Attachments
| Note | Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. |
|---|---|
| 54" Blade | MTD 763, front-mount, 54 inches width (137 cm), Weight 120 lbs (54 kg) |
| 36" Snow blower | MTD 768, front-mount, 36 inches width (91 cm), Weight 125 lbs (56 kg) |
| 42" mid-mount mower deck | mid-mount MTD 761, 3-blade with manual lift, Cutting width 42 inches (106 cm), Weight 147 lbs (66 kg) |
Transmission
| Type | shaft-driven hydrostatic |
|---|---|
| Gears | infinite forward and reverse (2-range) |
| Manufacturer | Eaton |
Tractor hitch
| Type | sleeve hitch |
|---|
Power Take-off (PTO)
| Clutch | manual |
|---|---|
| Mid PTO | independent |