Satoh Elk S550
The Satoh Elk S550 is a tractor produced by Satoh. It is equipped with a 60.25 ci 1.0 L engine. The listed engine power is Gasoline (listed): 17 hp / 12.7 kW. Transmission: 6 forward and 2 reverse. Operating weight: 1429 lbs 648 kg.
Engine Power
Gasoline (listed): 17 hp / 12.7 kW
Fuel & Capacities
4.75 gal
18.0 L
Transmission
6 forward and 2 reverse
Operating Weight
1429 lbs
648 kg
Overview
 | 1972 - 1983
Compact Utility tractor |
|---|
Production | |
|---|---|
Manufacturer | Satoh |
Compact Utility tractor | |
Built in Japan | |
Satoh S550 Engine | |
|---|---|
Mazda 1.0L 4-cyl gasoline | |
Fuel tank | 4.75 gal
18.0 L |
Engine details ...  | |
Satoh S550 Transmission | |
|---|---|
6-speed gear | |
Transmission details ...  |
Satoh S550 Power | |
|---|---|
Engine | 17 hp
12.7 kW |
PTO (claimed) | 15.5 hp
11.6 kW |
Mechanical | |
|---|---|
Two-wheel drive | |
Final drives | spur gear |
Manual steering | |
Mechanical drum brakes | |
Open operator station. | |
Tractor hitch | |
|---|---|
Rear Type | I |
Rear lift | 1102 lbs
499 kg |
Power Take-off (PTO) | |
|---|---|
Rear PTO Type | 540 (1.375) |
Engine RPM | 540@2120 |
Dimensions & Tires | |
|---|---|
Wheelbase | 58.7 inches
149 cm |
Weight | 1429 lbs
648 kg |
Front tire | 4.00x12 |
Rear tire | 8.3/8x24 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Charging system | alternator |
Charging amps | 35 |
Battery volts | 12 |
References | |
|---|---|
 | |
Satoh Gasoline Tractors published in 1975 |
Engine
Engine Detail — 60.25 ci / 1.0 L Gasoline
Manufacturer | Mazda |
Fuel Type | Gasoline |
Configuration | 4-cylinder, liquid-cooled |
Displacement | 60.25 ci
1.0 L |
Bore/Stroke | 2.677x2.677 inches
68 x 68 mm |
Power | 17 hp
12.7 kW |
Fuel system | carburetor |
Air cleaner | dry |
Compression | 8.5:1 |
Rated RPM | 2300 |
Starter | electric |
Starter volts | 12 |
Oil capacity | 3.2 qts
3.0 L |
Coolant capacity | 3.2 qts
3.0 L |
Transmission
Transmission — 6 forward and 2 reverse gear
Type | gear |
Gears | 6 forward and 2 reverse |
Clutch | dry disc |
Oil capacity | 14.8 qts
14.0 L |
 | |
Dimensions
Satoh S550 Tires | |
|---|---|
Ag front | 4.00x12 |
Ag rear | 8.3/8x24 |
Lawn/turf front | 20x8-10 |
Lawn/turf rear | 13.6-16 |
Dimensions | |
|---|---|
Wheelbase | 58.7 inches
149 cm |
Length | 103.4 inches
262 cm |
Width | 45 inches
114 cm |
Height (steering wheel) | 51.6 inches
131 cm |
Weight | 1429 lbs
648 kg |
Ground clearance | 13 inches
33 cm |
Front tread | 37.8 to 40 inches
96 to 101 cm |
Rear tread | 37.6 to 41.3 inches
95 to 104 cm |
Photos
Satoh Elk S550
Satoh Elk S550
Recommended Implements & Sizing Guide
Engineering recommendations for Satoh Elk S550 based on its 17 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 Satoh Elk S550.
Estimated Continuous Field Runtime: 5.4 hrs
Approximately 5.4 hours of continuous field operation at ~75% rated power on a full tank (4.8 gal / 18 L).
Estimated 75% Load Fuel Burn~0.9 gal/hr (3.3 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
Satoh Elk S550 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Satoh Elk S550.
Converted Equivalents:
Horsepower (HP)17 hp
Kilowatts (kW)12.7 kW
Metric Horsepower (PS / CV)17.2 PS
Direct Competitor Comparison
Compare Satoh Elk S550 against same-era industry alternatives in the same horsepower class.
Current Model
Satoh
Satoh Elk S550
Engine Power:Gasoline (listed): 17 hp / 12.7 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 154 Lo-Boy
Engine Power:15.6
Production Years:1968 - 1974
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Satoh ST1520
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- Production years:
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