Ariens S-18H 931015
The Ariens S-18H 931015 is a tractor produced by Ariens Lawn Tractors. It is equipped with a 604 cc 36.9 ci engine. The listed engine power is Gasoline (gross): 18 hp / 13.4 kW. Transmission: Sunstrand. Operating weight: 895 lbs 405 kg.
Engine Power
Gasoline (gross): 18 hp / 13.4 kW
Fuel & Capacities
4.5 gal
17.0 L
Transmission
Sunstrand
Operating Weight
895 lbs
405 kg
Overview
 | 1977 - 1978
Garden tractor |
|---|
Production | |
|---|---|
Manufacturer | Ariens |
Garden tractor | |
Built in Brillion, Wisconsin, USA | |
Ariens S-18H Engine | |
|---|---|
18HP Kohler 604cc 1-cyl gasoline | |
Fuel tank | 4.5 gal
17.0 L |
Engine details ...  | |
Ariens S-18H Transmission | |
|---|---|
hydrostatic | |
Transmission details ...  |
Mechanical | |
|---|---|
Steering | manual |
Drum brakes | |
Open operator station. | |
Tractor hitch | |
|---|---|
Rear Type | 0 OptOptional |
Power Take-off (PTO) | |
|---|---|
Rear PTO | independent |
Clutch | electric |
Front PTO | independent |
Clutch | electric |
Front PTO Type | 3600 |
Dimensions & Tires | |
|---|---|
Wheelbase | 48 inches
121 cm |
Weight | 895 lbs
405 kg |
Front tire | 16-6.50x8 |
Rear tire | 23-10.50x12 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | flywheel alternator |
Charging amps | 15 |
Battery CCA | 255 |
Battery volts | 12 |
Battery AH | 39 |
Engine
Engine Detail — 604 cc / 36.9 ci Gasoline
Manufacturer | Kohler K361 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 604 cc
36.9 ci |
Bore/Stroke | 3.75x3.25 inches
95 x 83 mm |
Power (gross) | 18 hp
13.4 kW |
Fuel use | 1.8 gal/hour
6.8 l/hour |
Air cleaner | dry element with foam precleaner |
Compression | 8.1:1 |
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 |
 | |
Dimensions
Ariens S-18H Tires | |
|---|---|
Lawn/turf front | 16-6.50x8 |
Lawn/turf rear | 23-10.50x12 |
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-18H 931015 tractor photo
Recommended Implements & Sizing Guide
Engineering recommendations for Ariens Lawn Tractors Ariens S-18H 931015 based on its 18 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 | 4 ft (48 in)1.2 m | Light Duty | Pasture clipping and light brush under 1" diameter. |
Rotary TillerSeedbed Prep | 42 to 48 in105 - 120 cm | Light Duty | Covers compact tractor tire width. |
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 Ariens Lawn Tractors Ariens S-18H 931015.
Estimated Continuous Field Runtime: 4.8 hrs
Approximately 4.8 hours of continuous field operation at ~75% rated power on a full tank (4.5 gal / 17 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.5 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-18H 931015 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Ariens Lawn Tractors Ariens S-18H 931015.
Converted Equivalents:
Horsepower (HP)18 hp
Kilowatts (kW)13.4 kW
Metric Horsepower (PS / CV)18.2 PS
Direct Competitor Comparison
Compare Ariens S-18H 931015 against same-era industry alternatives in the same horsepower class.
Current Model
Ariens Lawn Tractors
Ariens S-18H 931015
Engine Power:Gasoline (gross): 18 hp / 13.4 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester Type A 15HP
Engine Power:16.7
Production Years:1908 - 1911
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