Flywheels

Caterpillar

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
1265875 C7/3116/3126 Flat 134 tooth

Ref.# OR9983, 15975722, 15979722, 15028478, 1991255

53 206 / 305 1631387 17″ 8 Bolt Holes & 1 Dowel
2569653 C15, C16, C18, 3406, 3406E Flat 113 tooth

*2441636

93 306 2569651 20″ 12 Bolt Holes
2W4199 3306 Deep Pot 14″ clutch 156 tooth

*Use 4P4613

107
4P4613 3306 Flat 156 tooth (2W6834, 7C4956) 100 306 7N9146 20″ 9 Bolt Holes
4P4797 3406/3406E/C15 Flat 113 tooth

(cast# 10R2356, Cat#168003)

103 306 4N2514 20″ 12 Bolt Holes
4P8515 C9/ C10 /C11/ C12 /C13 / 3176 Flat 113 tooth

(REF# 2569652, 4P8494, 2903280, 7C6371, OR9986, 9Y5708 are all pot style flywheels. Use 4P8515 to convert to flat style

83 306 4N2514 20″ 8 Bolt Holes
9L6392 3208 Flat 134 tooth 54 206 / 305 7W5095 17″ 10 Offset Bolt Holes
9Y9311 3208 Flat 134 tooth 56 206 / 305 7W5095 17″ 10 Offset Bolt Holes
9Y9313 3208 Tower 134 tooth 60 205 (2″) 7W5095 17″ 10 Offset Bolt Holes

Cummins

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
135597L N14 / NT855 10″ Bore-For Valeo Changeover 118Tooth 97 306 4851 20″ 6 Bolt Holes & 2 Threaded
3016495 NT855 Pot 103 Tooth

*BM66339, 3005145

104 306 4797 17″ 6 Bolt Holes & 2 Threaded
3021660 N14 / NT855 Flat 103 tooth

*129594

100 306 4797 17″ 6 Bolt Holes & 2 Threaded
3039230 M11 Flat 103 tooth 71 4797 17″
3042787 L10 / M11 Pot 103 tooth

*3027546, 3042786

82 306 4797 17″ 6 Bolt Holes & 2 Threaded
3071535 N14 / NT855 Flat 103 tooth

*3609903, 3609890, 3071536

94 306 4797 17″ 6 Bolt Holes & 2 Threaded
3071615 L10 / M11 Flat 103 tooth Ref# 3328688, 3328689, 3039230, *3071614, 3899201 71 306 4797 17″ 8 Bolt Holes & 2 Threaded
3680922 ISX Signature 600 Flat 113 tooth

*3680921 makes 2 numbers- 113 tooth is 3680922 if it is 118 tooth it is 3102508.

*3680348

81 306 3680913 20″ 12 Bolt Holes
3906807 8.3L C-Series Flat 173 tooth

*3284102, 3906808, 3908574, 3973495

60 206 / 305 3903309 .540 THICK

17″

8 Bolt Holes & 2 Threaded
3912913 8.3L C-Series Flat 138 tooth (8 crank bolts) 6206/6305

*3901395, 3900269, 3974147

60 206 / 305 3908546 .610 THICK

17″

8 Bolt Holes
3914432 3.9L & 5.9L B Series Flat 58
3921263 5.9L B Series Flat 173 tooth

The only difference in 3921263 & 3906807 is the position on the flywheel.

*3921264,4933458,3901395,3900269

60 306 3903309 .540 THICK 8 Bolt Holes
3922645 8.3L C Series Flat 138 tooth (Ref.# 3922644) 62 206 / 305 8 Bolt Holes
3974147 8.3 Flat SAE2 13″ & 14″ Clutch (3977281)

Detroit Diesel

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
8922126 8.2L FLAT 138 tooth 70’S & 80’S Ford Medium Duty

Ref# 8922128, 8920432

65 205 5116302 17″ 8 Bolt Holes
23507442 60 Series Flat 118 tooth 8″ bore (use 23509709) 97 306 5166664 20″ 12 Bolt Holes
23507975 60 Series Flat 118 tooth-Valeo 17″ clutch 96
23509709 60 Series Flat 118 tooth 10″ bore

(Ref# 5100534, 5101799)

94 306 5166664 20″ 12 Bolt Holes
23514177 60 Series Flat 118 tooth 10″ bore (lighter design)

*23511177

89 306 5166664 20″ 12 Bolt Holes
4720300005 DD-15 Flat 90 4030320305

Ford/Sterling

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
E5TZ6375J 361 to 429 Gas Eng. 11-12, & 13″ Clutch 180 tooth

(D9TE6380BB)

50
E7HZ6375A 6.6L / 7.8L Diesel Flat 138 tooth 71 206 / 305 E6HZ6384A 17″ 8 Bolt Holes

GMC / Chevrolet

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
3986183 V-8 Gas Flat 13″ Clutch 197 tooth  48

Mack

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
530GB3142 675 / 676 Flat 118 tooth

*530GB4402

80 306 673GB222 20″ 6 Bolt Holes
530GB3145M E7 Flat w/timing marks 118 tooth

*530GB544AM

81 306 673GB222 20″ 6 Bolt Holes & 1 Dowel
530GB3170M E7 E-Tech Flat 117 tooth 2 notched

*530GB544AM

81 306 673GB35 20″ 6 Bolt Holes & 1 Dowel
530GB4380P2 675 Pot Design 118 tooth 125 306 673GB222 20″ 6 Bolt Holes

Mercedes MBE

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
 9060307005  Flat 146 tooth (9060304105)

14″ Clutch

 63
 4600300305  Flat 160 tooth 4600320051 Bearing Spacer.

206 bearing.

 84

Navistar International

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
1809144C91 6.9L / 7.3L Flat 137 tooth

*1809145C91

46 205 180777C91 17″ 9 Bolt Holes
1810855C93 DT466 A-B-C- Flat 138 tooth (1975-1996)

*681905C93

55 205 1815440C1 17″ 8 Bolt Holes
1818214C91 7.3L / 444E Flat 137 tooth (drilled for 13″ & 14″) 46 206 / 305 180777C91 17″ 10 Bolt Holes
1821915C91 DT466E Flat 138 tooth (Ref# 1821916C1) 59 1815440C1 17″ 12 Bolt Holes

Volvo

Part # Description Weight Pilot Ring Gear Gear Dia. Mounting
20730056 VED12 Flat 153 tooth 85 306 20711957 19.5″ 14 Bolt Holes & 1 Dowel