tl1975 Posted February 11 Share Posted February 11 Looking at a couple sets of tandem cutoffs.. Are there any visual external characteristics that would indicate whether or not a set of Rockwells is SQHD or SSHD? The metal ID tags are missing so just wondering if there’s anything visual to look for. The few I’m looking at have either 8-bolt or 12-bolt axle flanges. Quote Link to comment https://www.bigmacktrucks.com/topic/75148-sqhd-and-sshd-differentials/ Share on other sites More sharing options...
Geoff Weeks Posted February 11 Share Posted February 11 (edited) SQHD and SSHD both have 8 bolt 7" bolt circle axles SLHD has 12 bolt 5.25" bolt circle. SQHD is 38K SSHD is 46K SLHD is 34K SSHD the PDL goes in to the front case on the side of the case, SQHD and SQ100 along with SLHD the PDL attaches front the front of the input case. SQHD and SLHD have an idler gear "bump" on the side of the front case SQHP and SQ100 do not , front case is somewhat rounded off, SSHD has a more squared off case. I would stick to SQ100 or SSHD, I wouldn't buy a SLHD or SQHD. SSHD has a pinion bearing cover on the front case below the input/PowerDivider. http://www.canadawideparts.com/downloads/catalogs/meritor_outOfProductionSingleReductionAxles.pdf Edited February 11 by Geoff Weeks 2 Quote Link to comment https://www.bigmacktrucks.com/topic/75148-sqhd-and-sshd-differentials/#findComment-569023 Share on other sites More sharing options...
tl1975 Posted February 11 Author Share Posted February 11 8 hours ago, Geoff Weeks said: SQHD and SSHD both have 8 bolt 7" bolt circle axles SLHD has 12 bolt 5.25" bolt circle. SQHD is 38K SSHD is 46K SLHD is 34K SSHD the PDL goes in to the front case on the side of the case, SQHD and SQ100 along with SLHD the PDL attaches front the front of the input case. SQHD and SLHD have an idler gear "bump" on the side of the front case SQHP and SQ100 do not , front case is somewhat rounded off, SSHD has a more squared off case. I would stick to SQ100 or SSHD, I wouldn't buy a SLHD or SQHD. SSHD has a pinion bearing cover on the front case below the input/PowerDivider. http://www.canadawideparts.com/downloads/catalogs/meritor_outOfProductionSingleReductionAxles.pdf Thank you for the info. I just sent you a message. Quote Link to comment https://www.bigmacktrucks.com/topic/75148-sqhd-and-sshd-differentials/#findComment-569063 Share on other sites More sharing options...
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