New Holland lawn tractors S-12
Power
12 hp
Production
1970-1973
Engine
1-cylinder
Transmission
Vickers T66Z
Weight
730 lbs [331 kg]
From the same series:
Introduction
New Holland S-12 Garden Tractor
The New Holland S-12 is a garden tractor produced between 1970 and 1973 in Belleville, Pennsylvania, USA. As part of the S-series, it was designed for residential lawn maintenance and light utility tasks.
Engine and Performance
The tractor is powered by a 12 hp (8.9 kW) air-cooled, single-cylinder engine with a displacement of 476 cc. It operates at a rated speed of 3600 RPM and utilizes a dry element air cleaner to maintain intake efficiency. The engine is started via a 12-volt electric starter system.
Transmission and Drivetrain
The S-12 utilizes a Vickers T66Z hydrostatic transmission. This shaft-driven system provides infinite forward and reverse gears, allowing for precise speed control without manual shifting. The transmission requires SAE 10W-30 MS oil for maintenance.
Power Take-Off and Hydraulics
The machine features an independent front PTO and an optional rear PTO, both controlled by an electric clutch. This configuration allows for the attachment of various implements, most notably a 48-inch mower deck.
Chassis and Dimensions
Built on a 48-inch wheelbase, the tractor has a minimum width of 38.5 inches. The front tread is 31.375 inches, while the rear tread is adjustable between 31 and 36.625 inches. The unit has a shipping weight of 730 lbs. Steering is managed via a manual system, and braking is provided by parking prawl brakes.
Electrical System
The electrical system is grounded to the negative terminal and powered by a 12-volt, 35 AH battery. Charging is handled by a flywheel alternator providing 15 amps of current.
Conclusion
The New Holland S-12 is a compact, hydrostatic garden tractor suited for lawn care and light property maintenance. Its combination of a simple air-cooled engine and versatile PTO options makes it a functional machine for hobbyist use.
Production Information of New Holland lawn tractors, S-12
- Original price was $1,695 in 1973
- Garden tractor
- Built in Belleville, Pennsylvania, USA
| Manufacturer | New Holland (a part of Sperry) |
|---|
Dimension and Tires Information of New Holland lawn tractors, S-12
| Rear tread | 31/36.625 inches [78/93 cm] |
|---|---|
| Wheelbase | 48 inches [121 cm] |
| Shipping weight | 730 lbs [331 kg] |
| Height (steering wheel) | 47.75 inches [121 cm] |
| Length | 72 inches [182 cm] |
| Front tread | 31.375 inches [79 cm] |
| Width | 38.5 inches [97 cm] |
Minimum
| Lawn/turf front | 16x6.50-8 |
|---|---|
| Lawn/turf rear | 23x8.50-12 |
Engine Specifications of New Holland lawn tractors, S-12
- Air-cooled
- 1-cylinder
| Air cleaner | Dry element |
|---|---|
| Starter volts | 12 |
| Oil capacity | 2 qts [1.9 L] |
| Displacement | 476 cc [29.07 ci] |
| Bore/Stroke | 3.375x3.25 inches [86 x 83 mm] |
| Power (gross) | 12 hp [8.9 kW] |
| Starter | Electric |
| Rated RPM | 3600 |
| Exhaust valve clearance | 0.018 inches [0.457 mm] |
| Intake valve clearance | 0.009 inches [0.229 mm] |
| Sparkplug gap | 0.025 inches [0.635 mm] |
Cold.
Cold.
Transmission Information of New Holland lawn tractors, S-12
Transmission variants 1
| Transmission | Vickers T66Z |
|---|---|
| Oil type | SAE 10W-30 MS |
| Oil capacity | 3.5 qts [3.3 L] |
| Type | Shaft-driven hydrostatic |
| Type(optional) | SAE 10W-30 MS |
| Gears | Infinite forward and reverse |
Mechanical Specs of New Holland lawn tractors, S-12
- Parking prawl brakes
- Open operator station. Vinyl weather cab optional.
| Steering | Manual |
|---|
Power Information of New Holland lawn tractors, S-12
| Rear PTO | Optional |
|---|---|
| Clutch | Electric |
| Rear PTO Type | 3600 |
| Front PTO | Independent |
Three-Point Hitch of New Holland lawn tractors, S-12
| Rear Type(optional) | 0 |
|---|
Electrical System of New Holland lawn tractors, S-12
| Ground | Negative |
|---|---|
| Battery AH | 35 |
| Battery volts | 12 |
| Charging system | Flywheel alternator |
| Charging amps | 15 |
Where it sits
With 12 HP, the New Holland lawn tractors S-12 sits between S-8 (8 HP) and S-14 (14 HP) in New Holland lawn tractors's range. Its power puts it in the 76th percentile of 1970s models in our database (1008 machines).
Frequently asked questions
How much horsepower does the New Holland lawn tractors S-12 have?
The New Holland lawn tractors S-12 delivers 12 HP.
What years was the New Holland lawn tractors S-12 produced?
The New Holland lawn tractors S-12 was produced in 1970-1973.
What engine does the New Holland lawn tractors S-12 have?
The New Holland lawn tractors S-12 is powered by a 1-cylinder engine.
What transmission does the New Holland lawn tractors S-12 use?
The New Holland lawn tractors S-12 uses a Vickers T66Z transmission.
How much does the New Holland lawn tractors S-12 weigh?
The New Holland lawn tractors S-12 weighs 730 lbs [331 kg].