Allis-Chalmers 300 & 400 Series Lawn and Garden Tractors Service Manual
Diagnostic procedures and component service for Allis-Chalmers 300 & 400 Series tractors. Documents paper handling and control panel diagnostics. Part No. 9003456
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Allis Chalmers Models Covered & Key Technical Specifications
Models: 310, 310D, 312, 312D, 312H, 314, 314D, 314H, 410-3SP, 410S, 414S, 416S, 416H
Sub-models / Variants: 3-Speed Transmission, Shuttle Clutch, Hydrostatic Drive, Variable Speed Transmission, Electric Power Take-Off, Standard Seat, Deluxe Seat
Trade Names: Allis-Chalmers Lawn and Garden Tractors
Build Years: 1976
Serial Numbers: Prior to 25841001, 26041001, 26141001
Technical Data:
- Engine type: 4-Cycle, Air Cooled
- Engine displacement: 23.9 cu. in. to 35.89 cu. in. (depending on model)
- Horsepower: 10 HP to 16 HP at 3600 RPM
- Transmission types: Variable Speed, Shuttle Clutch, Hydrostatic, 3-Speed Gear
- Spark plug torque: 22 ft-lbs
- Engine oil capacity: 2 quarts standard / 1 quart on A models
- Hydrostatic unit capacity: 1.75 quarts Dexron ATF
- Electric lift load capacity: 750 lbs rated, 1050 lbs overload clutch setting
Allis Chalmers Manual Features & Content Preview
Allis-Chalmers 300 & 400 Series Service Manual Overview
- Covers 1976 Allis-Chalmers 300 and 400 series lawn and garden tractors including 10 HP through 16 HP Kohler single-cylinder air-cooled engine variants
- Original OEM publication, referenced for the 1976 model-year lineup
- Contains 47 exploded-view diagrams, transmission servicing tables, and detailed hydrostatic cooling system schematics
- File link appears in your order confirmation straight away
- OCR text layer lets you jump to a torque spec by keyword
- This 130-page service publication is the primary factory reference for the Kohler K-series engine integration and hydraulic drive maintenance in the 300 and 400 series tractor builds
Technical Scope and Documentation
The Allis-Chalmers 300 and 400 series service manual delivers detailed technical documentation for the maintenance and assembly of the tractor's mechanical and hydraulic systems. The document segments technical information into six distinct sections, covering engine service, hydrostatic system overhaul, chassis repair, power train disassembly, and electrical system diagnostics. It provides technical data for the Kohler K241, K301, K321, and K341 engine series, highlighting specifications such as spark plug torque settings, oil refill capacities, and breaker point gaps. The manual also details the internal components of the Vickers T66 and TA6 transmission packages, providing specific data for pump and motor assembly.
Specification Highlights
Section A documents the general specifications for all models, while section C provides a deep dive into hydrostatic transmission maintenance. The manual lists fluid capacities such as the 2-quart engine crankcase requirement and the 1.75-quart hydrostatic unit requirement for Dexron ATF. Spark plug torque for the Kohler engine is specified at 22 ft-lbs. Intake valve clearance and tolerance specs for the hydraulic rotating group are listed at 0.001 inch in the inspection tables. The hydraulic transmission reservoir capacity is documented at 1.75 quarts for the hydrostatic units. Transmission maintenance schedules prioritize the first 50 hours of operation for oil filter replacement. This factory-authorized service manual documents the 1976 Allis-Chalmers 300 and 400 series lawn and garden tractors, covering engine, chassis, electrical, and hydraulic transmission specifications for the specific K-series Kohler builds.
Document Reference: Allis-Chalmers Lawn and Garden Equipment (9003456), 1976
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