TractorData Logo
TractorData

Ariens S-12H

The Ariens S-12H is a tractor produced by Ariens 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: Sunstrand. Operating weight: 895 lbs 405 kg.

Engine Power
Gasoline (gross): 12 hp / 8.9 kW
Fuel & Capacities
4.5 gal 17.0 L
Transmission
Sunstrand
Operating Weight
895 lbs 405 kg

Overview

Ariens S-12H tractor photo
1976 - 1978 S SeriesGarden tractor S Series Garden tractor
Production
Manufacturer
Ariens
Garden tractor
Built in Brillion, Wisconsin, USA
Variants
Ariens S-12H Engine
12HP Kohler 476cc 1-cyl gasoline
Fuel tank
4.5 gal 17.0 L
Engine details ...
Ariens S-12H Transmission
hydrostatic
Transmission details ...
Mechanical
Two-wheel drive
Steering
manual
Drum brakes
Open operator station.
Tractor hitch
Rear Type
0 OptOptional
Power Take-off (PTO)
Front PTO
independent
Clutch
electric
Front PTO Type
3600
Dimensions & Tires
Wheelbase
48 inches 121 cm
Weight
895 lbs 405 kg
Front tire
16x6.50-8
Rear tire
23x8.50-10
Full dimensions and tires ...
Electrical
Ground
negative
Charging system
flywheel alternator
Charging amps
15
Battery CCA
255
Battery volts
12
Battery AH
39
References
S-12H references literature
Tractor Power published in 1974, by Ariens
Lawn & Garden Tractors published in 1976, by Ariens
Hydrostatic Drive Garden Tractors published in 1977, by Ariens
Owner's Manual Hydrostatic Garden Tractors (31723) published in 1977
Hydrostatic Drive Garden Tractors published in 1978, by Ariens

Engine

Engine Detail — 476 cc / 29.07 ci Gasoline

Manufacturer
Kohler K301
Fuel Type
Gasoline
Configuration
1-cylinder, air-cooled horizontal-shaft
Displacement
476 cc 29.07 ci
Bore/Stroke
3.375x3.25 inches 86 x 83 mm
Power (gross)
12 hp 8.9 kW
Fuel use
1 gal/hour 3.8 l/hour
Air cleaner
dry element with foam precleaner
Compression
6.6:1
Starter
electric
Starter volts
12
Sparkplug gap
0.025 inches 0.635 mm
Oil capacity
2 qts 1.9 L

Transmission

Transmission — Sunstrand

Transmission
Sunstrand
Type
shaft-driven hydrostatic
Gears
infinite forward and reverse
Oil capacity
5.5 qts 5.2 L
Oil type
SAE 5W-30
S-12H shaft-driven hydrostatic speeds

Dimensions

Ariens S-12H Tires
Lawn/turf front
16x6.50-8
Lawn/turf rear
23x8.50-10
Dimensions
Wheelbase
48 inches 121 cm
Length
74.75 inches 189 cm
Width
43 inches 109 cm
Height (steering wheel)
47.75 inches 121 cm
Shipping weight
895 lbs 405 kg

Attachments

Attachment overview
42" mid-mount mower deck
48" mid-mount mower deck
Snowblower
Blade
Front-end loader
Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.

Photos

Ariens S-12H tractor photo

Ariens S-12H tractor photo

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Ariens Lawn Tractors Ariens S-12H.

Estimated Continuous Field Runtime: 7.2 hrs

Approximately 7.2 hours of continuous field operation at ~75% rated power on a full tank (4.5 gal / 17 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

Ariens Lawn Tractors Ariens S-12H Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Ariens Lawn Tractors Ariens S-12H.

Converted Equivalents:

Horsepower (HP)12 hp
Kilowatts (kW)8.9 kW
Metric Horsepower (PS / CV)12.2 PS

Related models