Introduction
Montgomery Ward Twin 20 Garden Tractor
The Montgomery Ward Twin 20 is a garden tractor produced between 1975 and 1976. Manufactured by Simplicity in Port Washington, Wisconsin, this two-wheel drive machine was designed for residential groundskeeping and light agricultural applications.
Engine and Powertrain
The tractor is powered by an air-cooled, horizontally-opposed twin-cylinder engine with a displacement of 816 cc (49.8 ci). It delivers a gross power output of 19.9 hp (14.8 kW) at a rated speed of 3600 RPM. The engine utilizes a paper element air cleaner and requires a 12V electric starter system.
Transmission and Hydraulics
Equipped with a Sundstrand hydrostatic transmission, the Twin 20 offers infinite forward and reverse speeds across three ranges. The hydraulic system provides a total flow of 2.5 gpm (9.5 lpm) at a pressure of 500 psi (34.5 bar), supporting one front hydraulic valve.
Power Take-Off and Attachments
The machine features independent front and rear power take-off (PTO) systems, both operated via electric clutches. The rear PTO operates at 2000 RPM, while the front PTO operates at 3600 RPM, facilitating the use of various implements, including a 60-inch mower deck.
Chassis and Dimensions
Built on a 56-inch (142 cm) wheelbase, the tractor has an overall length of 83 inches (210 cm) and a width of 56 inches (142 cm). It features manual steering, disc brakes, and a shipping weight of 1300 lbs (589 kg). Ground clearance is 13 inches at the drawbar and 15 inches at the front axle.
Conclusion
The Montgomery Ward Twin 20 is a robust garden tractor suited for homeowners requiring a versatile platform for mowing and small-scale property maintenance tasks. Its hydrostatic drive and dual independent PTOs provide the mechanical flexibility necessary for operating diverse attachments within its power class.
Production Information of Montgomery Ward lawn tractors, Twin 20
- Original price was $3,650 in 1975
- Built in Port Washington, Wisconsin, USA
- The Montgomery Ward Twin 20 carried model codes SIM33300, SIM33301, SIM33302 and SIM33303 depending on tire options.
- Garden tractor
| Distributor | Montgomery Ward |
|---|---|
| Manufacturer | Simplicity |
Dimension and Tires Information of Montgomery Ward lawn tractors, Twin 20
| Clearance (drawbar) | 13 inches [33 cm] |
|---|---|
| Wheelbase | 56 inches [142 cm] |
| Shipping weight | 1300 lbs [589 kg] |
| Height (steering wheel) | 48 inches [121 cm] |
| Length | 83 inches [210 cm] |
| Clearance (front axle) | 15 inches [38 cm] |
| Width | 56 inches [142 cm] |
| Lawn/turf front | 20x8.00-10 |
|---|---|
| Lawn/turf rear | 29x12.00-15 |
Engine Specifications of Montgomery Ward lawn tractors, Twin 20
- Air-cooled horizontal-shaft opposed-twin
| Sparkplug gap | 0.025 inches [0.635 mm] |
|---|---|
| Sparkplug gap(optional) | Autolite AL5 |
| Air cleaner | Paper element |
| Point gap | 0.020 inches [0.508 mm] |
| Rated RPM | 3600 |
| Idle RPM | 1300-3850 |
| Compression | 7:1 |
| Displacement | 816 cc [49.8 ci] |
| Power (gross) | 19.9 hp [14.8 kW] |
| Oil capacity | 4 qts [3.8 L] |
| Oil change | 100 h |
| Bore/Stroke | 3.25x3.00 inches [83 x 76 mm] |
| Sparkplug | Champion H-8 |
| Intake valve clearance | 0.007 inches (cold) [0.178 mm] |
| Exhaust valve clearance | 0.016 inches (cold) [0.406 mm] |
| Starter volts | 12 |
| Starter | Electric |
Transmission Information of Montgomery Ward lawn tractors, Twin 20
Transmission variants 1
| Transmission | Sundstrand |
|---|---|
| Oil type | ATF AATF FDextron |
| Oil capacity | 6 qts [5.7 L] |
| Type | Hydrostatic |
| Type(optional) | Dextron |
| Type(optional) | ATF A |
| Gears | Infinite forward and reverse (3-range) |
Mechanical Specs of Montgomery Ward lawn tractors, Twin 20
- Two-wheel drive
- Open operator station.
- Manual steering
- Disc brakes
Power Information of Montgomery Ward lawn tractors, Twin 20
| Rear PTO | Independent |
|---|---|
| Clutch | Electric |
| Front PTO | Independent |
| Clutch | Electric |
| Front PTO Type | 3600 |
| Rear PTO Type | 2000 |
Hydraulics Specifications of Montgomery Ward lawn tractors, Twin 20
| Pressure | 500 psi [34.5 bar] |
|---|---|
| Front valves | 1 |
| Total flow | 2.5 gpm [9.5 lpm] |
Three-Point Hitch of Montgomery Ward lawn tractors, Twin 20
| Rear Type | 0 |
|---|
Electrical System of Montgomery Ward lawn tractors, Twin 20
| Ground | Negative |
|---|---|
| Battery volts | 12 |
| Charging volts | 12 |
| Charging system | Flywheel alternator |
| Battery AH | 45 |
| Charging amps | 20 |
Where it sits
Its power puts it in the 99th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the Montgomery Ward lawn tractors Twin 20 have?
The Montgomery Ward lawn tractors Twin 20 delivers 19 HP.
What years was the Montgomery Ward lawn tractors Twin 20 produced?
The Montgomery Ward lawn tractors Twin 20 was produced in 1975-1976.
What transmission does the Montgomery Ward lawn tractors Twin 20 use?
The Montgomery Ward lawn tractors Twin 20 uses a Sundstrand transmission.
How much does the Montgomery Ward lawn tractors Twin 20 weigh?
The Montgomery Ward lawn tractors Twin 20 weighs 1300 lbs [589 kg].
Is the Montgomery Ward lawn tractors Twin 20 4WD?
The Montgomery Ward lawn tractors Twin 20 is available in 2WD.