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Davidson Sales Company

SAE Housing

Determining SAE Housing/Flywheel Dimensions for Generators

Marathon Electric manufactures generators with standard Society of Automotive Engineers (SAE) adaption configurations.  This configuration allows easy coupling to most diesel and gas engines which follow the same SAE standards.  The following graphic shows the typical configuration and their respective SAE denomination:

Engine Flywheel Housing

To determine the SAE adaption in your specific application, simply match dimensions XD, XB, XE, XF and XG to arrive at a combination of SAE adaptions for the engine housing and for the engine flywheel, i.e.: SAE#1 Flywheel Housing with SAE#14 Flywheel.

DIMENSIONS in Inches or (millimeters):

Engine Flywheel Housing Dimensions

SAE No. XD XB Tapped Holes Qty. Size
00 31.000 (787) 33.50 (851) 16 1/2-13
0 25.500 (678) 26.75 (679) 16 1/2-13
1/2 23.000 (584) 24.38 (619) 12 1/2-13
1 20.125 (511) 20.88 (530) 12 7/16-14
2 17.652 (448) 18.38 (467) 12 3/8-16
3 16.125 (410) 16.88 (429) 12 3/8-16
4 14.250 (362) 15.00 (381) 12 3/8-16
5 12.375 (314) 13.12 (333) 8 3/8-16
6 10.500 (267) 11.25 (283) 8 3/8-16

Engine Flywheel Dimensions

SAE No. XE XF XG Tapped Holes Qty. Size
21 26.500 (673) 25.25 (641) 0 (0) 12 5/8-11
18 22.500 (572) 21.38 (543) .62 (16) 6 5/8-11
14 18.375 (467) 17.25 (438) 1.00 (25) 8 1/2-13
11-1/2 13.875 (352) 13.12 (333) 1.56 (40) 8 3/8-16
10 12.375 (314) 11.62 (295) 2.12 (54) 8 3/8-16
8 10.375 (264) 9.62 (244) 2.44 (62) 6 3/8-16
7-1/2 9.500 (241) 8.75 (222) 1.19 (30) 8 5/16-18
6-1/2 8.500 (210) 7.88 (200) 1.19 (30) 6 5/16-18
Delco 17.75 17.755 (451) 15.50 (394) .72 (18) 8 5/8-11
Delco 15.50 15.500 (394) 13.88 (353) .72 (18) 8 5/8-11
Delco 12.75 12.750 (324) 11.00 (279) 0 (0) 4 1/2-13

Davidson Sales Company represents Marathon Electric Mfg. Co., a leader in design and manufacture of electric generators for industrial power generation.  If you have any questions about this product line, contact us.

 

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Davidson Sales Co Power Generation Distributors: Sales / Parts / Supplies, Manufacturer Of Panelsource Generator Metering Panels.