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D8 15A blade hydraulics
D8 15A blade hydraulics
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Posts: 6132
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Thank you received: 409
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3 years 9 months ago #224490
by neil
Phil, can you clean it with some paint stripper?
Cheers,
Neil
Pittsford, NY
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3 years 9 months ago #224546
by PhilC
Thanks OM
The CCU's in your pic look the same as the one on mine. Is there much difference between the two?
Neil
The tag is corroded and very brittle so I don't think paint stripper will work. I guess it would be worth a try. though.
944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
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3 years 9 months ago #224558
by Old Magnet
The biggest difference with the 54C CCU is the way it mounts to the frame. The mounting flanges are parallel to the tractor main frame where the 27E flanges (ears) are perpendicular to the frame.
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3 years 9 months ago #224569
by PhilC
Hello OM
On second inspection the rear of the CCU looks nothing like the one in your pic.
944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
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3 years 9 months ago #224586
by kracked1
Phil, that looks like your hydraulic unit. The CCU is the winch setup on the rear of the tractor.
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Posts: 469
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3 years 9 months ago #224604
by PhilC
The CCU is the winch setup on the rear of the tractor.
This tractor has a big hyster winch on the back. No room for a rear CCU.
Looking at the serial tag I can make out the first two numbers and they appear to be 20.
This
auction on Grays
shows a similar unit with a serial of 20D71. Also says it is a #30. I assume it is an foreign (possibly UK) equivalent like the hydraulic unit. With OM's description of the "ears" that would make this unit a 54C equivalent.
944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
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Posts: 637
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Thank you received: 49
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3 years 9 months ago #224610
by kracked1
Phil, that is a HCU. A CCU is a cable control unit. TOTALLY different animal. OM is talking about a CCU.
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Thank you received: 63
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3 years 9 months ago #224614
by PhilC
No those last pics show the rear side of the CCU. It is NOT a hydraulic unit. The tractor in the first post is hydraulic but now we are talking about another tractor that has no hydraulics only a FRONT mounted CCU.
944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
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Posts: 637
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Thank you received: 49
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Posts: 469
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Thank you received: 63
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3 years 7 months ago #226127
by PhilC
Hello All
Getting back to the hydraulics on the D8 I was thinking about the fact that they are off an early D8H. This 15A has cracked both chassis rails near the final drive housings. The left side has been repaired but the right side is still broken.
My thoughts are if the hydrualics are off a D8H then maybe the hydraulic pressure is too high for the 15A., Does anyone know what the pressure would be set to on the 15A in comparison to the D8H?
Regards
Phil
944A - Machine SN 43A2589 Engine SN 90A284
955K- Machine SN 71J3772 Engine SN 83Z0704
D6 SN's 4R732sp, 5R2724, 5R4832
D8 SN's 15A1254, 15A2287, 15A2723
Please Log in or Create an account to join the conversation.
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Antique Caterpillar Machinery Owners Club
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D8 15A blade hydraulics
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