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Wheel Horse 518H Specifications
The Wheel Horse 518 H is a 2-wheel drive garden tractor from 500-series. This model was manufactured from 1988 to 1989. The driveline consists of 47.7 cu.in (781 cc) Onan P218G 4-cycle twin cylinder horizontal shaft air-cooled gasoline engine with a rated power of 18 Hp (13.4 kW), and belt-driven hydrostatic transmission with infinite forward and reverse gears.
The Wheel Horse 518 H is equipped with a manual steering system, mechanical PTO, mechanical band brakes, 16x6.50-8 front tires, and 23x9.50-12 rear tires. The operating weight is 622 lbs (280 kg). The Wheel Horse 518H tractor is compatible with the following attachments: 36", 42" or 48" mid-mount 3-blade mower deck, 42" front-mount single-stage snowblower, and 48" front blade with hydraulic lift system.
| Engine Specs |
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)
Engine 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 ....................... Carburetor
Fuel Pump Type ....................... Pulse
Fuel Delivery ....................... Fixed Jet Carburetor
Lubricating System ....................... Full Pressure with filter
Ignition System ....................... Electronic
Spark Plugs ....................... Champion RS14YC
Spark Plug Gap, in (mm) ....................... 0.025 (0.64)
Fuel Tank Capacity, gal (L) ....................... 3.0 (11.5)
Oil Capacity, qts, (L) ....................... 2.0 (1.9)
| Electrical System |
Electrical System Rating, Volts ....................... 12
Charging System ..................... Alternator
Alternator Rating, Amps ..................... 20
Starter Type ....................... Electric
Number of Batteries ....................... 1
Battery Rating ....................... 12V, 200 CCA
Electric Ground ....................... Negative
| Power Take-Off |
PTO Location ...................... Front
PTO Operational Type ....................... Independent
PTO Clutch ....................... Mechanical
PTO Speed, rpm ....................... 3200
| Transmission |
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)
| Wheels and Tires |
Wheel Drive System ....................... 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
| Dimensions and Weight |
Wheelbase, in (mm) ....................... 45.5 (1115)
Overall Length, in (mm) ....................... 65 (1650)
Overall Height, in (mm) ....................... 41.5 (1045)
Overall Width, in (mm) ....................... 38 (960)
Weight (w/o Mower), lbs (kg) ....................... 622 (280)
| 36" Mower Deck |
Mower Deck Type ....................... Mid-mount
Number of Blades ....................... 3
Cutting Width, in (mm) ....................... 36 (910)
Lift System ....................... Hydraulic
Weight, lbs (kg) ....................... 102 (46)
| 42" Mower Deck |
Mower Deck Type ....................... Mid-mount
Number of Blades ....................... 3
Cutting Width, in (mm) ....................... 42 (1060)
Lift System ....................... Hydraulic
Weight, lbs (kg) ....................... 135 (61)
| 48" Mower Deck |
Mower Deck Type ....................... Mid-mount
Number of Blades ....................... 3
Cutting Width, in (mm) ....................... 48 (1215)
Lift System ....................... Hydraulic
Weight, lbs (kg) ....................... 168 (76)
| Snow Blower |
Snowblower Type ....................... Front-mount, single-stage
Clearing Width, in (mm) ....................... 42 (1060)
Lift System ....................... Hydraulic
| Front Blade |
Blade Type ....................... Front-mount
Width, in (mm) ....................... 48 (1215)
Lift System ....................... Hydraulic
Angle ....................... Manual
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| Garden Tractors Technical Specifications |