Hatz Diesel Engines

Hatz air-cooled diesel engines ranging from 2 to 74 hp power a wide range of applications including equipment in the construction, agricultural, generator and military industries.

To find a local dealer within our Hatz distribution territory, please call us at 1-800-245-0711. For more information on Hatz diesel engines, including a national service directory, please vist the Hatz USA website.

Service Sheet

• Hatz Diesel Engine Service Data Sheet (1MB)

Parts Lists and diagrams

• 1B20, 1B27, 1B30 (4.29MB)
• 1B20V, 1B30V (3.17MB)
• 1B40, 1B50 (3.72MB)
• 1B40V, 1B50V (2.85MB)
• 1D42, 1D50, 1D81, 1D90 (6.38MB)
• 1D90V, 1D90W (2.82MB)
• 2L41C, 3L41C, 4L41C (5.94MB)
• 2M41, 3M41, 4M41 (5.29MB)
• 2W35,3W35,4W35 (6.72MB)
• 2G40 (3.77MB)
• 4L42C (5.10MB)
• 4M42 (4.44MB)

Additional, older spare parts lists may be available from the Hatz Spare Parts List Archive

Instruction Manuals

• 1D90 V, 1D90 W (2.88MB)
• 1D41, 1D50, 1D81, 1D90 (3.45MB)
• 2G40, 2G40H (1.74MB)
• 2-4L41C, 2-4M41, 4L42C, 4M42 (3.12MB)
• 1B20, 1B27, 1B30, 1B40, 1B50 (4.45MB)
• 1D90 V, 1D90 W (2.86MB)
• 1B20V, 1B30V, 1B40V, 1B40W, 1B50V, 1B50W (4.51MB)
• 2W35, 3W35, 4W35, 4W35T (4.91MB)