Gravely lawn tractors
Gravely 8161
The Gravely 8161 is a garden tractor introduced in 1978 as part of the 8000 Series. It features a 16 hp Briggs & Stratton 531cc 1-cylinder gasoline engine with electric start and a shaft-driven 8-speed transmission with 4 reverse speeds. The tractor has two-wheel drive, manual steering, mechanical band brakes, and an open operator station. It includes a hydraulic lift system with open center hydraulics, a mid independent PTO with mechanical clutch, and a fuel capacity of 5.3 gallons. Dimensions include a 48 inch wheelbase, 75.5 inch length, and 870 lbs shipping weight. Tires are lawn/turf type with 16x7.50-8 front and 23x10.50-12 rear sizes. Electrical system uses a 12 volt battery with flywheel alternator charging.
Power16 hp
Founded-
Model8161
Technical Specifications
Detailed specifications and technical data for Gravely 8161
Power
| Power (gross) | 16 hp (11.9 kW) |
|---|
Engine
| Type | gasoline |
|---|---|
| Model | Briggs & Stratton 326437 |
| Cooling | air-cooled horizontal-shaft |
| Starter | electric |
| Cylinders | 1-cylinder |
| Bore/Stroke | 3.25x3.56 inches (83 x 90 mm) |
| Displacement | 531 cc (32.4 ci) |
| Oil capacity | 2 qts (1.9 L) |
| Power (gross) | 16 hp (11.9 kW) |
| Starter volts | 12 |
Capacity
| Fuel | 5.3 gal (20.1 L) |
|---|---|
| Hydraulic system | 0.375 gal (1.4 L) |
Variants
| 8160 | mechanical lift |
|---|---|
| 8161 | hydraulic lift |
Electrical
| Ground | negative |
|---|---|
| Battery AH | 42 |
| Battery volts | 12 |
| Charging amps | 3 |
| Charging system | flywheel alternator |
Hydraulics
| Type | open center |
|---|---|
| Capacity | 0.375 gal (1.4 L) |
| Pressure | 1200 psi (82.7 bar) |
| Pump flow | 1.7 gpm (6.4 lpm) |
Production
| Type | Garden tractor |
|---|---|
| Series | 8000 Series |
| Manufacturer | Gravely |
| Year introduced | 1978 |
Transmission
| Type | shaft-driven gear |
|---|---|
| Gears | 8 forward and 4 reverse |
| Details | Four gears (1-4) in two ranges (low/high) with directional control lever (forward/reverse). Reverse speeds are the same in high or low range. |
Drive and brakes
| Drive | Two-wheel drive |
|---|---|
| Brakes | Mechanical band brakes |
| Steering | Manual steering |
| Operator station | Open operator station |
Dimensions & Tires
| Width | 36.375 inches (92 cm) |
|---|---|
| Height | 43 inches (109 cm) |
| Length | 75.5 inches (191 cm) |
| Rear tire | 23x10.50-12 |
| Wheelbase | 48 inches (121 cm) |
| Front tire | 16x7.50-8 |
| Shipping weight | 870 lbs (394 kg) |
| Ground clearance | 7 inches (17 cm) |
Power Take-off (PTO)
| Clutch | mechanical |
|---|---|
| Mid PTO | independent |