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Countershaft - 9aa91b0396b027a4aa5ba69c83e27576
Countershaft - a727e8b991c8413979b0102a03ea2104
Countershaft - 06fea09636faccd44feef09c4f028ad7
Countershaft - 2ffc8c9827c0f1f618e6f0deda8a6b17


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Trusted Since 1975
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The transmission countershaft works in conjunction with the input shaft and rotates at a fixed speed ratio. Gears attached to the countershaft include various forward speeds and reverse gear drive. Our countershafts are fully compatible with OEM specifications.
Weight: 30.16
Replacement Fuller RTLO"B"-14613, RTO-15618, RTLO"A"-14618, RTLO"A"-16618, RTLOF-14618A
Cross References
MakePart Number
Replacement NumberA-6689
Eaton FullerA-6689, 4303559, K-2968, 4300392, A-5746
Industry Number1291, FURA6689, FUR-A-6689, S A-6689, A-6689C8T, MPGS-11245, ATX11245, A-6689-RC, GTPA-6689, ATP11245, 11245SS, VIPA-6689, A-6689HTP, GTS11245, PSA-6689, TF A-6689
International TruckSMRSA6689, NSFSA6689, FULA-6689
Customer NumberRF643502825

Heavy Duty Truck Parts

MHC stocks a large inventory of heavy-duty, all makes and models truck parts, from small pieces to major components, including rebuilt parts and exchange units. If a part isn't stocked at an MHC location, we leverage our network and all major OEM and component manufacturers' regional distribution centers to deliver hard-to-find parts to you quickly.

MHC employees at warehouse

Smooth sailing always with Murphy Hoffman and great being able to buy online beyond my local branch. Fast shipping and I always know I'm getting a quality product.

— Ti L.