Silver King 3-Wheel

The Silver King 3-Wheel is a tractor produced by Silver King. It is equipped with a 133 ci 2.2 L engine. The listed engine power is Gasoline (listed): 25 hp / 18.6 kW. Transmission: 4 forward and 1 reverse. Drive type: 3x2 2WD. Operating weight: 3100 lbs 1406 kg.

Engine Power

Gasoline (listed): 25 hp / 18.6 kW

Drive & Traction

3x2 2WD

Fuel & Capacities

13 gal 49.2 L

Transmission

4 forward and 1 reverse

Operating Weight

3100 lbs 1406 kg

Overview

	1936 - 1939 Row-Crop tractor

Production
Manufacturer	Silver King (a part of Fate-Root-Heath)
Row-Crop tractor
Built in Plymouth, Ohio, USA

Variants
3-Wheel	row-crop three-wheel
4-Wheel	standard four-wheel

Silver King 3-Wheel Engine
Hercules 2.2L 4-cyl gasoline
Fuel tank	13 gal 49.2 L
Engine details ...

Silver King 3-Wheel Transmission
4-speed gear
Transmission details ...

Silver King 3-Wheel Power
Engine	25 hp 18.6 kW
Plows	2 (14-inch)
Drawbar (tested)	16.44 hp 12.3 kW
Belt (tested)	19.74 hp 14.7 kW
Performance test details ...

Mechanical
Drive	3x2 2WD
Manual steering
Open operator station.

Dimensions & Tires
Wheelbase	78.5 inches 199 cm
Weight	3100 lbs 1406 kg
Front tire	6.00-16
Rear tire	9.00-24
Full dimensions and tires ...

References

3 Wheel Silver King Tractor published in 1936, by Fate Root Heath
Silver King Tractors published in 1938, by Fate Root Heath

Engine

Engine Detail — 133 ci / 2.2 L Gasoline

Manufacturer	Hercules IXB
Fuel Type	Gasoline
Configuration	4-cylinder, liquid-cooled
Displacement	133 ci 2.2 L
Bore/Stroke	3.25x4.00 inches 83 x 102 mm
Power	25 hp 18.6 kW
Air cleaner	oil bath
Rated RPM	1400

Silver King 3-Wheel Engine

Transmission

Transmission — 4 forward and 1 reverse gear

Type	gear
Gears	4 forward and 1 reverse
Clutch	dry disc

Dimensions

Silver King 3-Wheel Tires
Ag front	6.00-16
Ag rear	9.00-24
Ag front	28-inch steel
Ag rear	42-inch steel

Dimensions
Wheelbase	78.5 inches 199 cm
Length	128 inches 325 cm
Width	70 inches*Minimum width 177 cm
Height	64 inches 162 cm
Weight	3100 lbs 1406 kg
Ground clearance	25 inches 63 cm
Rear tread	60 inches 152 cm
Rear tread	66 inches 167 cm
Rear tread	72 inches 182 cm

Tests

Nebraska Tractor Test 250
Gasoline March 23 - April 20, 1936 Link: Nebraska Tractor Test 250 file
Belt power (max)	19.74 hp 14.7 kW
Drawbar performance
Max power	16.44 hp 12.3 kW
Gear 3 used for power test.
Max pull	1647 lbs 747 kg
Gear 1 used for pull test.

Photos

Silver King 3-Wheel R66, front view.

Silver King 3-Wheel R66, right side.

Recommended Implements & Sizing Guide

Engineering recommendations for Silver King 3-Wheel based on its 25 HP power envelope and ASAE agricultural standards.

Implement & Operation	Recommended Size	Workload Rating	Engineering Notes
Moldboard PlowPrimary Tillage	1 to 2 Bottom (12")1 - 2 铧 (30 cm)	Light Duty	Ideal for garden plots and light sandy soil.
Rotary Cutter / MowerMowing & Clearing	5 ft (60 in)1.5 m	Medium Duty	Pasture maintenance and weeds up to 1.5" diameter.
Rotary TillerSeedbed Prep	54 to 60 in135 - 150 cm	Medium Duty	Thorough seedbed preparation in orchards and vegetable plots.
Disc HarrowSecondary Tillage	5 to 6 ft (16-18" discs)1.5 - 1.8 m (40-45 cm 耙片)	Light Duty	Small acreage soil break-up and secondary aeration.

Sizing & Soil Condition NoteActual implement sizing varies depending on local soil conditions (heavy clay vs sandy loam), field slope, and operating speed. Heavy tillage implements may require front ballast weights and wheel weights.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Silver King 3-Wheel.

Estimated Continuous Field Runtime: 10 hrs

Approximately 10 hours of continuous field operation at ~75% rated power on a full tank (13 gal / 49.2 L).

Estimated 75% Load Fuel Burn~1.3 gal/hr (4.9 L/hr)

Engine Crankcase Oil

SAE 15W-40 (Heavy Duty Diesel)

Standard Spec: API CK-4 / CJ-4 Heavy Duty

Service Interval: 150 – 250 Hours

Transmission & Hydraulic System

UTTO (Universal Tractor Transmission Oil)

Standard Spec: ISO VG 46 / 68 (Wet Brake & Trans Compatible)

Service Interval: 600 – 1000 Hours

Engine Cooling System

50/50 Ethylene Glycol Pre-mix

Standard Spec: ASTM D6210 / Heavy-Duty OAT Antifreeze

Service Interval: 2 Years / 1500 Hours