New Holland S-12
The New Holland S-12 is a tractor produced by New Holland Lawn Tractors. It is equipped with a 476 cc 29.07 ci engine. The listed engine power is Gasoline (gross): 12 hp / 8.9 kW. Transmission: Vickers T66Z. Operating weight: 730 lbs 331 kg.
Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
4.75 gal
18.0 L
Transmission
Vickers T66Z
Operating Weight
730 lbs
331 kg
Overview
![]() | 1970 - 1973
Garden tractor |
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Production | |
|---|---|
Manufacturer | New Holland (a part of Sperry) |
Garden tractor | |
Built in Belleville, Pennsylvania, USA | |
Original price was $1,695 in 1973 | |
New Holland S-12 Engine | |
|---|---|
12HP Kohler 476cc 1-cyl gasoline | |
Fuel tank | 4.75 gal
18.0 L |
Engine details ... | |
New Holland S-12 Transmission | |
|---|---|
hydrostatic | |
Transmission details ... |
Mechanical | |
|---|---|
Steering | manual |
Parking prawl brakes | |
Open operator station. Vinyl weather cab optional. | |
Tractor hitch | |
|---|---|
Rear Type | 0 OptOptional |
Power Take-off (PTO) | |
|---|---|
Rear PTO | Optional |
Rear PTO Type | 3600 |
Front PTO | independent |
Clutch | electric |
Dimensions & Tires | |
|---|---|
Wheelbase | 48 inches
121 cm |
Weight | 730 lbs
331 kg |
Front tire | 16x6.50-8 |
Rear tire | 23x8.50-12 |
Full dimensions and tires ... | |
Electrical | |
|---|---|
Ground | negative |
Charging system | flywheel alternator |
Charging amps | 15 |
Battery volts | 12 |
Battery AH | 35 |
References | |
|---|---|
![]() | |
Lawn & Garden Tractors published in 1972, by New Holland | |
Operator's Manual Garden Tractor S-12 S-14 S-16 (42001232) published in 1972 |
Engine
Engine Detail — 476 cc / 29.07 ci Gasoline
Manufacturer | Kohler K301S |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled |
Displacement | 476 cc
29.07 ci |
Bore/Stroke | 3.375x3.25 inches
86 x 83 mm |
Power (gross) | 12 hp
8.9 kW |
Air cleaner | dry element |
Rated RPM | 3600 |
Starter | electric |
Starter volts | 12 |
Sparkplug gap | 0.025 inches
0.635 mm |
Intake valve clearance | 0.009 inches*Cold.
0.229 mm |
Exhaust valve clearance | 0.018 inches*Cold.
0.457 mm |
Oil capacity | 2 qts
1.9 L |
Transmission
Transmission — Vickers T66Z
Transmission | Vickers T66Z |
Type | shaft-driven hydrostatic |
Gears | infinite forward and reverse |
Oil capacity | 3.5 qts
3.3 L |
Oil type | SAE 10W-30 MS |
![]() | |
Dimensions
New Holland S-12 Tires | |
|---|---|
Lawn/turf front | 16x6.50-8 |
Lawn/turf rear | 23x8.50-12 |
Dimensions | |
|---|---|
Wheelbase | 48 inches
121 cm |
Length | 72 inches
182 cm |
Width | 38.5 inches*Minimum
97 cm |
Height (steering wheel) | 47.75 inches
121 cm |
Shipping weight | 730 lbs
331 kg |
Front tread | 31.375 inches
79 cm |
Rear tread | 31/36.625 inches
78/93 cm |
Attachments
Attachment overview | |
|---|---|
48" mid-mount mower deck | |
Snowblower | |
Blade | |
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments. |
48" Mower deck | |
|---|---|
Type | mid-mount New Holland 48RM |
3-blade | |
Cutting width | 48 inches
121 cm |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for New Holland Lawn Tractors New Holland S-12.
Estimated Continuous Field Runtime: 7.7 hrs
Approximately 7.7 hours of continuous field operation at ~75% rated power on a full tank (4.8 gal / 18 L).
Estimated 75% Load Fuel Burn~0.6 gal/hr (2.4 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
New Holland Lawn Tractors New Holland S-12 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for New Holland Lawn Tractors New Holland S-12.
Converted Equivalents:
Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS
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