1964–2002 Tecumseh Diesel Engine Service Manual (P/N 691218 R 1/02)
Tecumseh Models Covered & Key Technical Specifications
Models: 100 Series, 300 Series, 600 Series, 601 Series, 700 Series, 700H Series, 800 Series, 801 Series, 820 Series, 900 Series, 910 Series, 915 Series, 920 Series, 930 Series, 940 Series, MST200 Series, 1000/1100 Series, 1200 Series, 1300 Series, 2300 Series, 2400 Series, 2500 Series, 2600 Series
Sub-models / Variants: Differential, Transaxle, Transmission, Right Angle Drive, T-Drive, Hydrostatic Gear Reduction Unit, Four-Speed, In-Line Shift, Hydro Powered, Single Speed, Multi-Speed
Trade Names: Tecumseh, Peerless, Duo-Trak
Model Years: 1964–2002
Technical Data:
- Lubrication: SAE E.P. 80W90 oil, Bentonite grease, SAE Type A automatic transmission fluid
- Gear Ratios: 1 to 7 forward speeds plus 1 reverse
- Input type: Vertical or horizontal depending on unit
- Construction: Cast aluminum or cast iron cases
- Bearings: Needle, ball, sleeved needle, and tapered roller types
Tecumseh Manual Features & Content Preview
- Official 131-page Tecumseh Products Company publication (Form No. 691218, revised January 2002)
- Covers 1964–2002 Tecumseh and Peerless transmission, transaxle, and drive systems, spanning the 100 through 2600 series and VST units
- Serves as the definitive reference for identifying internal gear configurations in residential and commercial turf equipment
- Features exploded-view assembly diagrams for 24 distinct gear product series and complete torque specification tables
Technical Systems and Data
This handbook breaks down legacy drive systems manufactured over nearly four decades. It documents the exact service and assembly procedures needed on the bench. Technicians gain access to clear identification methods, lubrication rules, and disassembly sequences. From basic 100 series differentials to hydro-powered 2600 series transaxles, the document maps out the mechanical architecture. This speeds up maintenance and takes the guesswork out of complex rebuilds.
Specification Highlights
Getting the numbers right matters. The manual includes extensive lubrication charts detailing the specific fluids required for each model number, such as SAE E.P. 80W90 oil or Bentonite grease. Fastener requirements are clearly mapped out. You get dedicated torque tables listing IN-LBS, FT-LBS, and NM values for housings, case-to-cover bolts, and differential fasteners. The reference values leave no room for error. For example, input shaft bearing installation depth is set between 0.135 and 0.150 inches. Differential bolt torque is specified at exactly 7 ft-lbs, while a 1200 series transaxle requires a 1420 ml fluid capacity. Always verify exact parameters against your specific equipment and observe standard workshop safety protocols before opening any transaxle housing.
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