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Wheel Horse 518H Garden Tractor
The
Wheel Horse 518H is a 2WD garden tractor from 500-series. This model was
manufactured between 1988 and 1989. The components of Wheel Horse 518H powerline
system: Onan P218G 4-cycle horizontal-shaft opposed twin cylinder air-cooled
gasoline engine and Eaton 700 belt-driven hydrostatic transmission with infinite
forward and reverse gears.
A 47.7 cubic inches (781 cc) engine has a cylinder bore of 3.25" (83
mm), piston stroke of 2.88" (73 mm), and rated power of 18 hp (13.4 kW).
Max travel speed (forward/reverse): 6.4 mph (10.3 km/h) and 4 mph (6.4
km/h).
The Wheel Horse 518H is equipped with a manual steering system,
mechanical band brakes, 16x6.50-8 front tires, and 23x9.50-12 rear
tires. The wheelbase is 45.5" (1150 mm). The garden tractor is
compatible with 36", 42", or 48" mid-mount 3-blade mower decks with
hydraulic lift system, 48" front-mount blade, and 42" front-mount
snowblower.
| Engine Model |
Onan P218G |
| Engine Type |
4 Stroke horizontal-shaft opposed twin air-cooled gasoline |
| Number of Cylinders |
2 |
| Cylinder Bore, in (mm) |
3.25 (83.0) |
| Piston Stroke, in (mm) |
2.88 (73.0) |
| Total Displacement, cu. in (cc) |
47.7 (781) |
| Gross Power, Hp (kw) |
18.0 (13.4) |
| Maximum Speed, rpm |
3500 |
| Idle Speed, rpm |
1350 |
| Crankshaft Alignment |
Horizontal |
| Cylinder Material |
Aluminum |
| Compression Ratio |
7.0:1 |
| Fuel System Type |
Carburetor |
| Fuel Pump Type |
Pulse |
| Fuel Delivery |
Fixed Jet Carburetor |
| Cylinder Compression, psi (kPa) |
75-115 (517-793) |
| Lubricating System Type |
Full Pressure with filter |
| Ignition System |
Electronic |
| Spark Plugs |
Champion RS14YC |
| Spark Plug Gap, in (mm) |
0.025 (0.64) |
| Ignition Timing, BTC |
20 deg |
| Fuel Tank Capacity, gal (L) |
3.0 (11.5) |
| Oil Capacity, qts, (L) |
2.0 (1.9) |
| Electrical System Rating, Volts |
12 |
| Charging System Rating, Amps |
20 |
| Starter Type |
Electric |
| Number of Batteries |
1 |
| Battery Rating |
12V, 200 CCA |
| Electric Ground |
Negative |
| Front PTO Operational Type |
Independent |
| Front PTO Clutch |
Mechanical |
| Front PTO Speed, rpm |
3200 |
| Transmission Model |
Eaton 700 |
| Transmission Type |
Belt-driven hydrostatic |
| Number of Forward Gears |
Infinite |
| Number of Reverse Gears |
Infinite |
| Maximum Forward Speed, mph (kph) |
6.4 (10.3) |
| Maximum Reverse Speed, mph (kph) |
4.0 (6.4) |
| Drive Wheels |
2WD 4x2 |
| Steering Configuration |
Front steer |
| Steering System |
Manual |
| Brakes Type |
Mechanical band |
| Front Tire Size |
16x6.50-8 |
| Rear Tire Size |
23x9.50-12 |
| Wheelbase, in (mm) |
45.5 (1115) |
| Length, in (mm) |
65 (1650) |
| Height, in (mm) |
41.5 (1045) |
| Overall Width, in (mm) |
38 (960) |
| Weight (w/o Mower Deck), lb (kg) |
622 (280) |
| Mower Deck Type |
Mid-mount |
| Number of Blades |
3 |
| Cutting Width, in (mm) |
36 (910) |
| Lift System |
Hydraulic |
| Weight, lb (kg) |
102 (46) |
| Mower Deck Type |
Mid-mount |
| Number of Blades |
3 |
| Cutting Width, in (mm) |
42 (1060) |
| Lift System |
Hydraulic |
| Weight, lb (kg) |
135 (61) |
| Mower Deck Type |
Mid-mount |
| Number of Blades |
3 |
| Cutting Width, in (mm) |
48 (1215) |
| Lift System |
Hydraulic |
| Weight, lb (kg) |
168 (76) |
| Snowblower Type |
Front-mount, single-stage |
| Clearing Width, in (mm) |
42 (1060) |
| Lift System |
Hydraulic |
| Blade Type |
Front-mount |
| Width, in (mm) |
48 (1215) |
| Lift System |
Hydraulic |
| Angle |
Manual |
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| Lawn and Garden Tractors Technical Specs |
