The heater fan motor from a 1971-1978 Freightliner truck, Karquest # HTR
20892 is the same size as the original Triumph fan motor. The problem is
that the mounting is at the wrong end so some brackets have to be fabricated
to attach it into the heater core.
I used 1/8 inch by 1-1/8 inch steel stock. I cut 2 lengths 3 = to 4 inches,
enough to be able to put a bend in either end and leave 3 = to 3 > inch
straight run which is the length of the motor.
I drilled holes in each of the bends to receive the mounting bolts and a
large hole at the bottom to pass the wires through due to the unfortunate
placement of the mounting studs relative to the wire connections. I can
send you pictures if you're interested.
----- Original Message -----
From: "Angelo Graham" <email@example.com>
Sent: Tuesday, November 10, 2009 5:10 PM
Subject: [TR] TR3 heater motor
> Hello List:
> Was working on my heater and turns out that the core is still good after
> sitting for 40+ years. Just wondering if anyone has found a modern
> substitute for the Smith's fan in the unit. Mine works, but it is pretty
> feeble even with direct 12 volts applied. Intend to clean and re-lube the
> motor. Has anyone tried to fit a fan motor of similar size - VW, Toyota,
> etc that might work? Would be nice to have a bit more air "rushing"
> through the defroster hoses.
> Thanks for any insights.
> Angelo Graham
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