Eng. Size

# of Cyl.

Stroke

Rod Size

Main Size

# of Mains

Engine Model * Forging #’s * Information

# of lbs.

Part # w/o bearings

Part # w/ bearings

REO

255 292 331

6

4.13

2.181

2.508

7

Model # QA110, QA130, QA145, QA145, QA255, QA292, QA331, 6-130, 6-142, Gold Comet   Forg # 1189-A3   Crankshaft has 1 3/8” centering ring on back of flywheel flange. Kit packed with straight shell front main bearing.

84

7502

7502B

400

6

4.70

2.310

3.124

7

Model # OH-200, 6-190, 6-200   Forg # 1792-A3

125

7507

7507B