Craftsman 131.8550
The Craftsman 131.8550 is a tractor produced by Craftsman Lawn Tractors. It is equipped with a 221 cc 13.53 ci engine. The listed engine power is Gasoline (gross): 6 hp / 4.5 kW. Transmission: 3 forward and 1 reverse. Operating weight: 356 to 432 pounds.
Engine Power
Gasoline (gross): 6 hp / 4.5 kW
Fuel & Capacities
Gasoline
Transmission
3 forward and 1 reverse
Operating Weight
356 to 432 pounds
Overview
 | 1967
Lawn tractorRoper built
Lawn tractor
Roper built |
|---|
Production | |
|---|---|
Distributor | Craftsman (a part of Sears) |
Manufacturer | Roper |
Lawn tractor | |
Original price was $375 in 1967 | |
Variants | |
|---|---|
131.8550 | electric start |
131.8540 | recoil start |
Craftsman 131.8550 Engine | |
|---|---|
6HP Tecumseh 221cc 1-cyl gasoline | |
Engine details ...  |
Craftsman 131.8550 Transmission | |
|---|---|
3-speed gear | |
Transmission details ...  |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Weight | 356 to 432 pounds |
Front tire | 12.50x3.75 |
Rear tire | 16x5.25 |
Full dimensions and tires ...  | |
Electrical | |
|---|---|
Ground | negative |
Battery volts | 12 |
References | |
|---|---|
 | |
Fall - Winter Catalog published in 1967, by Sears | |
Spring - Summer Catalog published in 1967, by Sears |
Engine
Engine Detail — 221 cc / 13.53 ci Gasoline
Manufacturer | Tecumseh H60 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 221 cc
13.53 ci |
Bore/Stroke | 2.625x2.50 inches
67 x 64 mm |
Power (gross) | 6 hp
4.5 kW |
Starter | electric |
Starter volts | 12 |
Sparkplug gap | 0.030 inches
0.762 mm |
Point gap | 0.020 inches
0.508 mm |
Intake valve clearance | 0.010 inches
0.254 mm |
Exhaust valve clearance | 0.010 inches
0.254 mm |
Transmission
Transmission — 3 forward and 1 reverse belt-driven gear
Type | belt-driven gear |
Gears | 3 forward and 1 reverse |
Dimensions
Craftsman 131.8550 Tires | |
|---|---|
Lawn/turf front | 12.50x3.75 |
Lawn/turf rear | 16x5.25 |
Dimensions | |
|---|---|
Shipping weight | 356 lbs (recoil)
161 kg |
432 lbs (electric)
195 kg | |
Attachments
36" Mower deck | |
|---|---|
Type | mid-mount Craftsman |
2-blade with manual lift | |
Cutting width | 36 inches
91 cm |
Photos
Sears Craftsman 131.8540, right side.
Sears Craftsman 131.8540, left side.
Sears Craftsman 131.8550.
Sears Craftsman 131.8550.
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Craftsman Lawn Tractors Craftsman 131.8550.
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
Craftsman Lawn Tractors Craftsman 131.8550 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Craftsman Lawn Tractors Craftsman 131.8550.
Converted Equivalents:
Horsepower (HP)6 hp
Kilowatts (kW)4.5 kW
Metric Horsepower (PS / CV)6.1 PS
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