Post on 02-Jun-2020
To learn more about the Midland line of products from Haldex, please visit haldex.com.
Haldex is excited to offer the all new Midland line of flywheels for the most popular medium and heavy-duty applications. Midland flywheels are manufactured to meet and exceed OEM specifications and competitively priced to deliver economy and uptime advantages to your fleet:
• Can utilize maximum adjustment capacity of clutch
• No need for thick clutch brake or spacers
• Eliminates cost of turning flywheel
• Speeds up the installation of clutch by eliminating machining time
• Guaranteed to be flat, smooth and free of scoring and heat marks to reduce warranty cost and increase clutch life
• Release bearing travel is returned to OE specification
• Warranted for 1 year or 100,000 miles
Caterpillar® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW1265875 1265875 CATERPILLAR 3116 / 3126 134 8 7.00” – 14” PB6206 / PB6305
FW4P8515 4P8515 CATERPILLAR 3176, C10, C12 103 8 10.00” – 15” PB6306
FW4P4797 4P4797 CATERPILLAR 3406 / 3406E 113 12 10.00” – 15” PB6306
FW4P4613 4P4613 CATERPILLAR 3306 156 9 10.00” – 15” PB6306
FW9Y9311 9Y9311 / 9L6392 CATERPILLAR 3208 134 10 7.12” – 13” & 14” PB6205 / PB6305
FW2569653 2569653 CATERPILLAR C15,C16,C18 113 12 10.12” – 15” PB6306
Cummins® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW3016495 3016495 POT FLYWHEEL CUMMINS NT855 103 6 8.37” – 14” PB6306
FW3042787 3042787 POT FLYWHEEL CUMMINS L10 / M11 103 8 7.25” – 14” PB6306
FW3071535 3021660 / 3071535 CUMMINS 855 / N14 103 6 10.12” 2 15” PB6306
FW3071615 3039230 / 3071615 CUMMINS L10 / M11 103 8 10.12” 2 15” PB6306
FW3680922 3680922 CUMMINS ISX SIGNATURE 600 113 12 10.00” – 15” PB6306
FW3906807 3906807 CUMMINS 8.3L C Series 173 8 7.25” – 14” PB6205 / PB6305
FW3912913 3912913 CUMMINS 8.3L C Series (Thin RG) 138 8 7.25” – 14” PB6206 / PB6305
FW3921263 3921263 CUMMINS 5.9L B Series 173 8 7.25” – 14” PB6206 / PB6305
FW3922645 3922645 CUMMINS 8.3L C Series 138 8 7.25” – 14” PB6206 / PB6305
See pilot bearings information on the back of this guide.
Detroit® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW8922126 8922126 DETROIT 8.2L 138 8 7.00” – 13” & 14” PB6205
FW23509709 23507442 / 23509709 DETROIT 60 Series 118 12 10.00” – 15” PB6306
FW23514177 23514177 DETROIT 60 Series ( Lightweight) 118 12 10.00” – 15” PB6306
Ford® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FWE7HZ6375A E7HZ6375A FORD 6.6 / 7.8 138 8 7.50” – 14” PB6206 / PB6305
GM® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW12552486 12552486 GM 7.0L, 7.2L Gas 197 6 6.00” – 13” PB6305
FW12574404 12574404 GM 7.0L, 7.2L, 8.1L Gas 197 6 6.00” – 13” PB6305
Mack® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW530GB3145BM 530GB3145BM MACK E-7 118 6 10.00” 1 15” PB6306
FW530GB3170 530GB3170 MACK TECH-E7 SRS 117 6 10.00” – 15” PB6306
FW530GB3142 530GB3142 MACK 675 / 676 118 6 10.00” – 15” PB6306
Navistar® flywheels
Midland Part # Reference Product Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW1809144C91 1809144C91 IHC 6.9 / 7.3 137 9 7.25” – 13” & 14” PB6205
FW1810855C93 1810855C93 IHC DT466 138 8 7.25” – 14” PB6205
FW1818214C91 1818214C91 IHC 7.3 444E 137 10 7.25” – 13” & 14” PB6206 / PB6305
FW1821915C91 1821915C91 IHC DT466E 138 12 7.25” – 14” PB6206 / PB6305
FW1843120C91 1843120C91 NAV VT365 6.0L 138 10 – – 14” PB6205
Volvo® flywheels
Midland Part # Reference Description Ring Gear Teeth
Crank Mounting Bolt Holes
Flywheel Bore Diameter
Locating Holes Clutch Pilot Bearing
FW20730056 20730056 VOLVO VED12 153 14 10.00” – 15” PB6305
Midland flywheels are manufactured to meet and exceed OEM specifications and competitively priced to deliver economy and uptime advantages to your fleet:
United States 816-891-2470Canada 519-621-6722Mexico 52-81-81569500
To learn more about the Midland line of products from Haldex, please visit haldex.com
L20755US 1/18 2.5M ALPPrinted In The USA
Pilot bearings
Midland Part # Reference Outside Diameter
Inside Diameter Width Seal/Shield Description
PB6005-2RS 105CC 1.85” 0.99” 0.47” Nitrile seal
PB6005-ZZ 105ZZ 1.85” 0.99” 0.47” Steel shield
PB6203-2RS 203FF 1.58” 0.67” 0.47” Nitrile seal
PB6204-ZZ 204SS 1.85” 0.79” 0.55” Steel shield
PB6205-2RS 205FF 2.05” 0.99” 0.59” Nitrile seal
PB6205-2RSV 205FF 2.05” 0.99” 0.59” Viton seal
PB6206-2RS 206FF 2.45” 1.18” 0.63” Nitrile seal
PB6206-ZZ 206ZZ 2.45” 1.18” 0.63” Steel shield
PB6303-2RS 303FF 1.85” 0.67” 0.55” Nitrile seal
PB6303-ZZ 303SS 1.85” 0.67” 0.55” Steel shield
PB6304-ZZ 304SS 2.05” 0.79” 0.59” Steel shield
PB6305-2RS 305FF 2.45” 0.99” 0.67” Nitrile seal
PB6305-ZZ 305SS 2.45” 0.99” 0.67” Steel shield
PB6306-2RS 306FF 2.84” 1.18” 0.75” Nitrile seal
PB6306-2RSV 306FF 2.84” 1.18” 0.75” Viton seal
PB6306-2RSV-S 306FFL 2.84” 1.18” 0.75” Viton seal w / snap ring (Mack application)
PB6306-ZZ 306SS 2.84” 1.18” 0.75” Steel Shield
PB6306-ZZ-S 306SSL 2.84” 1.18” 0.75” Steel Shield w / snap ring (Mack application)
Viton® is a registered trademark of DuPont® Performance Elastomers
Haldex’s new line of Midland pilot bearings meet and beat OEM and industry standards for high-temperature performance.
Type Seal / Shield Description
2RS Nitrile seal
2RSV Viton seal
2RSV-S Viton seal (includes snap ring for Mack® engines)
ZZ Steel shields
ZZ-S Steel shields (includes snap ring for Mack engines)
• C3 clearance specification recommended by Eaton allows optimal expansion from heat and improper alignment to ensure durability and performance
• Nitrile seals – most widely used and most cost effective
• Viton® seals for the higher temperatures produced by today’s high torque engines
• Steel shielded for lower operating temperatures