Custom B
The Custom B is a tractor produced by Custom. It is equipped with a 217.8 ci 3.6 L engine. The listed engine power is Gasoline (listed): 52 hp / 38.8 kW. Transmission: 4 forward and 1 reverse. Operating weight: 3450 lbs 1564 kg.
Engine Power
Gasoline (listed): 52 hp / 38.8 kW
Fuel & Capacities
Gasoline
Transmission
4 forward and 1 reverse
Operating Weight
3450 lbs
1564 kg
Overview
 | 1947 - 1949
Row-Crop tractor |
|---|
Production | |
|---|---|
Manufacturer | Custom |
Row-Crop tractor | |
Built in Shelbyville, Indiana, USA | |
Variants | |
|---|---|
B | tricycle front |
C | wide front |
Custom B Engine | |
|---|---|
Chrysler 3.6L 6-cyl gasoline | |
Engine details ...  |
Custom B Transmission | |
|---|---|
4-speed gear | |
Transmission details ...  |
Custom B Power | |
|---|---|
Engine | 52 hp
38.8 kW |
Plows | 2 or 3 (14-inch) |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Drum brakes | |
Open operator station. |
Power Take-off (PTO) | |
|---|---|
Rear PTO | transmission |
Dimensions & Tires | |
|---|---|
Wheelbase | 88 inches
223 cm |
Weight | 3450 lbs
1564 kg |
Front tire | 6-16 |
Rear tire | 10-38 |
Full dimensions and tires ...  | |
Belt Pulley | |
|---|---|
Diameter | 11 inches
27 cm |
Width | 7.5 inches
19 cm |
RPM | 1011 |
Speed | 2910 ft/min
886.97 meters/min |
References | |
|---|---|
 | |
Orphan Tractors by Bill Vossler |
Engine
Engine Detail — 217.8 ci / 3.6 L Gasoline
Manufacturer | Chrysler IND 5 |
Fuel Type | Gasoline |
Configuration | 6-cylinder, liquid-cooled |
Displacement | 217.8 ci
3.6 L |
Bore/Stroke | 3.25x4.375 inches
83 x 111 mm |
Power | 52 hp
38.8 kW |
Compression | 6.6:1 |
Rated RPM | 1800 |
Torque | 141 lb-ft
191.2 Nm |
Torque RPM | 1200 |
Transmission
Transmission — 4 forward and 1 reverse gear
Type | gear |
Gears | 4 forward and 1 reverse |
Dimensions
Custom B Tires | |
|---|---|
Ag front | 6-16 |
Ag rear | 10-38 |
Dimensions | |
|---|---|
Wheelbase | 88 inches
223 cm |
Length | 130 inches
330 cm |
Height | 71 inches
180 cm |
Shipping weight | 3450 lbs
1564 kg |
Ground clearance | 25 inches
63 cm |
Photos
Custom B
Custom B tractor in parade.
Recommended Implements & Sizing Guide
Engineering recommendations for Custom B based on its 52 HP power envelope and ASAE agricultural standards.
| Implement & Operation | Recommended Size | Workload Rating | Engineering Notes |
|---|---|---|---|
Moldboard PlowPrimary Tillage | 2 to 3 Bottom (14-16")2 - 3 铧 (35-40 cm) | Medium Duty | Standard utility farm tillage. |
Rotary Cutter / MowerMowing & Clearing | 6 ft (72 in)1.8 m | Medium Duty | Medium pasture clearing; rear slip-clutch recommended. |
Rotary TillerSeedbed Prep | 66 to 72 in165 - 180 cm | Medium Duty | Standard utility tiller; slip clutch protection required. |
Disc HarrowSecondary Tillage | 7 to 8 ft Tandem Disc2.1 - 2.4 m 对开双排耙 | Medium Duty | Field leveling and clod breaking behind plows. |
Hay BalerHay & Forage | Small Square Baler (14x18")小方捆打捆机 (36x46 cm) | Medium Duty | Classic 2-string baler for horse and small livestock hay. |
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 Custom B.
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
Custom B Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Custom B.
Converted Equivalents:
Horsepower (HP)52 hp
Kilowatts (kW)38.8 kW
Metric Horsepower (PS / CV)52.7 PS
Direct Competitor Comparison
Compare Custom B against same-era industry alternatives in the same horsepower class.
Current Model
Custom
Custom B
Engine Power:Gasoline (listed): 52 hp / 38.8 kW
★ Baseline Reference
International HarvesterMarket Competitor
International Harvester 340
Engine Power:47
Production Years:1958 - 1963