Sears Handiman R-T

The Sears Handiman R-T is a tractor produced by Sears Lawn Tractors. It is equipped with a 376 cc 23 ci engine. The listed engine power is Gasoline (listed): 5 hp / 3.7 kW. Transmission: 2 forward and 1 reverse.

Engine Power
Gasoline (listed): 5 hp / 3.7 kW
Fuel & Capacities
2.5 gal 9.5 L
Transmission
2 forward and 1 reverse

Overview

Sears Handiman R-T tractor photo
1939 - 1940 Garden tractorDavid Bradley built Garden tractor David Bradley built
Production
Distributor
Sears
Manufacturer
David Bradley
Garden tractor
Built in Bradley, Illinois, USA
Original price was $355 in 1940
The Sears Handiman Riding Tractor (R-T) was based on the Handiman two-wheel walking tractors. Sears model numbers included 917.5151, 917.5154, and 917.5155
Sears Handiman R-T Engine
5HP Briggs & Stratton 376cc 1-cyl gasoline
Fuel tank
2.5 gal 9.5 L
Engine details ...
Sears Handiman R-T Transmission
2-speed sliding gear
Transmission details ...
Mechanical
Two-wheel drive
Steering
manual
Open operator station with steel pan seat.
Dimensions & Tires
Wheelbase
57.25 inches 145 cm
Full dimensions and tires ...

Engine

Engine Detail — 376 cc / 23 ci Gasoline

Manufacturer
Briggs & Stratton Z
Fuel Type
Gasoline
Configuration
1-cylinder 2-valve, air-cooled horizontal-shaft L-head
Displacement
376 cc 23 ci
Bore/Stroke
3.00x3.25 inches 76 x 83 mm
Power
5 hp 3.7 kW
Fuel system
carburetor
Air cleaner
oil bath
Rated RPM
3200
Starter type
hand-crank
Oil capacity
2.5 qts 2.4 L
Sparkplug gap
0.025 inches 0.635 mm
Intake valve clearance
0.008 inches 0.203 mm
Exhaust valve clearance
0.015 inches 0.381 mm

Transmission

Transmission — 2 forward and 1 reverse belt-driven sliding gear

Type
belt-driven sliding gear
Gears
2 forward and 1 reverse
Clutch
mechanical belt idler
Sears advertised the ability to swap the engine and transmission pulleys, giving about 20% faster speeds.
Handiman R-T  belt-driven sliding gear speeds

Dimensions

Sears Handiman R-T Tires
Ag front
4.00x8
Ag rear
6.00x22
Dimensions
Wheelbase
57.25 inches 145 cm
Ground clearance
18 inches 45 cm
Front tread
27/31.5/36 inches 68/80/91 cm
Rear tread
27/31.5/36 inches 68/80/91 cm

Photos

Sears Handiman sales brochure.

Sears Handiman sales brochure.

Sears Handiman 917.5154 garden tractor.

Sears Handiman 917.5154 garden tractor.

Sears Handiman 917.5154 garden tractor.

Sears Handiman 917.5154 garden tractor.

Sears Handiman engine and driveline.

Sears Handiman engine and driveline.

Fluids, Capacities & Working Autonomy

Standard fluid requirements, service intervals, and continuous runtime estimates for Sears Lawn Tractors Sears Handiman R-T.

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

Sears Lawn Tractors Sears Handiman R-T Specification Unit Converter

Convert power, fluid capacities, and operating weights between metric and imperial standards for Sears Lawn Tractors Sears Handiman R-T.

Converted Equivalents:

Horsepower (HP)5 hp
Kilowatts (kW)3.7 kW
Metric Horsepower (PS / CV)5.1 PS