Allis Chalmers 405
The Allis Chalmers 405 is a tractor produced by Allis Chalmers Lawn Tractors. It is equipped with a 204 cc 12.5 ci engine. The listed engine power is Gasoline (listed): 5 hp / 3.7 kW. Transmission: 2 forward and 1 reverse. Operating weight: 268 lbs 121 kg.
Engine Power
Gasoline (listed): 5 hp / 3.7 kW
Fuel & Capacities
0.75 gal
2.8 L
Transmission
2 forward and 1 reverse
Operating Weight
268 lbs
121 kg
Overview
![]() | 1975 - 1979
Riding lawn mower |
|---|
Production | |
|---|---|
Manufacturer | Allis Chalmers |
Riding lawn mower | |
Built in Port Washington, Wisconsin, USA | |
Original price was $681 in 1979 | |
Variants | |
|---|---|
3005 Wonder Boy | similar Simplicity model |
Allis Chalmers 405 Engine | |
|---|---|
5HP Briggs & Stratton 204cc 1-cyl gasoline | |
Fuel tank | 0.75 gal
2.8 L |
Engine details ... | |
Allis Chalmers 405 Transmission | |
|---|---|
2-speed gear | |
Transmission details ... |
Mechanical | |
|---|---|
Two-wheel drive | |
Manual steering | |
Open operator station. |
Dimensions & Tires | |
|---|---|
Wheelbase | 41.5 inches
105 cm |
Weight | 268 lbs
121 kg |
Front tire | 4.10/3.50x4 |
Rear tire | 16.00/6.50x8 |
Full dimensions and tires ... | |
References | |
|---|---|
![]() | |
1974 Buyer's Guide published by Allis-Chalmers | |
Allis-Chalmers Lawn and Garden Equipment published in 1975 | |
The Beautiful difference in Lawn and Garden Tractors published in 1976, by Allis-Chalmers | |
Lawn and Garden Tractors published in 1979, by Allis-Chalmers |
Engine
Engine Detail — 204 cc / 12.5 ci Gasoline
Manufacturer | Briggs & Stratton 130202 |
Fuel Type | Gasoline |
Configuration | 1-cylinder, air-cooled horizontal-shaft |
Displacement | 204 cc
12.5 ci |
Bore/Stroke | 2.56x2.44 inches
65 x 62 mm |
Power | 5 hp
3.7 kW |
Starter type | manual recoil |
electric OptOptional |
Transmission
Transmission — 2 forward and 1 reverse belt-driven gear
Type | belt-driven gear |
Gears | 2 forward and 1 reverse |
![]() | |
Dimensions
Allis Chalmers 405 Tires | |
|---|---|
Lawn/turf front | 4.10/3.50x4 |
Lawn/turf rear | 16.00/6.50x8 |
Dimensions | |
|---|---|
Wheelbase | 41.5 inches
105 cm |
Length | 58 inches
147 cm |
Width | 28.25 inches
71 cm |
Height (steering wheel) | 39 inches
99 cm |
Height (hood) | 29.25 inches
74 cm |
Shipping weight | 268 lbs
121 kg |
Attachments
26" Mower deck | |
|---|---|
Type | mid-mount Allis Chalmers |
1-blade | |
Cutting width | 26 inches
66 cm |
Overall width | 36.1 inches
91 cm |
Cut height | 1.5 to 3.75 inch
3 to 9 cm |
Photos
Fluids, Capacities & Working Autonomy
Standard fluid requirements, service intervals, and continuous runtime estimates for Allis Chalmers Lawn Tractors Allis Chalmers 405.
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
Allis Chalmers Lawn Tractors Allis Chalmers 405 Specification Unit Converter
Convert power, fluid capacities, and operating weights between metric and imperial standards for Allis Chalmers Lawn Tractors Allis Chalmers 405.
Converted Equivalents:
Horsepower (HP)5 hp
Kilowatts (kW)3.7 kW
Metric Horsepower (PS / CV)5.1 PS
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