Wheel Horse 416-8

The Wheel Horse 416-8 is a garden tractor model from the 400 series, manufactured from 1985 to 1992 by Wheel Horse (a part of Toro) in South Bend, Indiana, USA. It was available in a two-wheel drive (2WD) version.

The Wheel Horse 416-8 is equipped with one of three engines: the Kohler K341S (1985-1986), the Kohler M16S (1987-1989), or the Onan P216G (1989-1992), and belt-driven gear transmission with 6 forward and 2 reverse gears.

The Wheel Horse 416-8 garden tractor features:

• The Kohler K341S gasoline engine which produces 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm of horsepower, the Kohler M16S gasoline engine which produces 16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm of horsepower or the Onan P216 gasoline engine with 16.2 PS (11.9 kW; 16 HP) at 3,600 rpm of output power.
• Manual steering
• Open operator station
• Independent front PTO with mechanical clutch

General specifications

General Specifications
Model	Wheel Horse 416-8
Tractor type	garden tractor
Production years	1985-1992
Factory	South Bend, Indiana, USA
Dimensions and weight
Length	1,650 mm (65 in)
Width	940 mm (37 in)
Height	1,070 mm (42.1 in)
Wheel base	1,150 mm (45.3 in)
Weight (shipping)	298 kg (657 lbs)
Fuel capacity
Fuel tank capacity	8.5 liters (2.2 US gal.; 1.9 Imp. gal)

Engine

Engine Specifications
Engine model	K341
Engine type	4-stroke, L-head (side valve), single-cylinder
Displacement	588 cm3, (35.9 cu·in)
Bore and stroke	95.3 mm X 82.6 mm (3.75 in X 3.25 in)
Max. horsepower	16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm
Cooling system	Forced air
Lubricating system	Splash type
Fuel system	Carburetor
Starting system	Electirc starter
Compression pressure
Normal:	7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance:	0.20-0.25 mm (0.0079-0.0098 in)
Exhaust valve clearance:	0.43-0.48 mm (0.0169-0.0189 in)
Oil system
Lubrication system:	Splash type
Oil type:	API SF or SG
Recommended oil:	Summer: SAE 30W Winter: SAE 5W-20, 5W-30
Oil capacity:	1.9 L (2 US. qt, 1.7 Imp. qt.)
Ignition system
Spark plug:	Champion RH10
Spark plug gap:	0.65 mm (0.0256 in)
Spark plug torque:	27 N·m (2.8 kg·m, 19.9 ft·lb)

Engine

Engine Specifications
Engine model	M16S
Engine type	4-stroke, L-head (side valve), single-cylinder
Displacement	588 cm3, (35.9 cu·in)
Bore and stroke	95.3 mm X 82.6 mm (3.75 in X 3.25 in)
Max. horsepower	16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm
Cooling system	Forced air
Lubricating system	Splash type
Fuel system	Side-draft carburetor
Starting system	Electirc starter
Compression pressure
Normal:	7.7-8.4 kg/cm2 (7.6-8.3 bar, 110-120 psi) / 1,000 rpm
Valve clearance
Intake valve clearance:	0.20-0.25 mm (0.008-0.010 in)
Exhaust valve clearance:	0.43-0.48 mm (0.017-0.019 in)
Oil system
Lubrication system:	Splash type
Oil type:	API SF or SG
Recommended oil:	Summer: SAE 30W Winter: SAE 5W-20, 5W-30
Oil capacity:	1.9 L (2.0 US. qt, 1.7 Imp. qt.)
Ignition system
Spark plug:	Champion RH10
Spark plug gap:	0.65 mm (0.0256 in)
Spark plug torque:	27 N·m (2.8 kg·m, 19.9 ft·lb)

Engine Specifications
Engine model	P216G
Engine type	4-stroke, L-head (side valve), two-cylinder
Displacement	710 cm3, (43.3 cu·in)
Bore and stroke	82.5 mm X 66.5 mm (3.25 in X 2.62 in)
Max. horsepower	16.2 PS (11.9 kW; 16.0 HP) at 3,600 rpm
Cooling system	Forced air
Lubricating system	Full pressure with oil filter
Fuel system	Carburetor with fixed main jet
Starting system	Electirc starter
Compression pressure
Normal:	517-793 kPa; 75-115 psi
Valve clearance
Intake valve clearance:	0.13 mm (0.0051 in)
Exhaust valve clearance:	0.33 mm (0.0130 in)
Oil system
Oil type:	API SF, SF/CC, or SF/CD
Recommended oil:	SAE 5W-30, 10W-30, 30W, 40W
Oil capacity:	1.7 L (1.8 US. qt, 1.5 Imp. qt.)
Ignition system
Spark plug:	Champion RH10
Spark plug gap:	0.64 mm (0.0252 in)

Transmission and chassis

Chassis, steering and brakes
Chassis	4×2 2WD
Steering type	Manual
Brakes	–
Transmission
Transmission manufacturer or model	Wheel Horse
Transmission type	Belt-driven gear
Gears	6 forward and 2 reverse
Speed	Forward: 8.8 kmh (5.5 mph) Reverse: 4.2 kmh (2.6 mph)
Transmission oil capacity	1.9 L (0.5 US. gal, 0.4 Imp. gal.)

Tires

Tires
Front tires	Lawn/turf: 15×6.00-6
Rear tires	Lawn/turf: 23×9.50-12

PTO (Power take-off shaft)

PTO
Front PTO type	Independent with mechanical clutch
Front PTO speed	–

Electrical system

Electrical system
Ground	Negative
Charging system	–
Charging amps	–
Battery	12V

Serial numbers

Wheel Horse 416-8 serial numbers
1985	31-16K801
1986	31-16K802
1987	31-16K803
1988	31-16K804
1989	31-16O801
1990	31-16O802
1991	31-16O803
1992	31-16O804

Attachments

Wheel Horse 36″ mid-mount mower deck with 2-blade
Cutting width	910 mm (36 in)
Weight	46 kg (102 lbs)
Wheel Horse 42″ mid-mount mower deck with 3-blade
Cutting width	1,060 mm (42 in)
Weight	61 kg (135 lbs)
Wheel Horse 46″ mid-mount mower deck with 3-blade
Width	1,160 mm (46 in)
Weight	76 kg (168 lbs)
Wheel Horse 48″ blade
Width	1,210 mm (48 in)
Wheel Horse 48″ snow blower
Width	1,210 mm (48 in)