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T/A vs Multi-Power

P

Phil in Pa

Member
I never had the opportunity to run any International that had a torque amplifier.

My question is, do they operate the same as the Massey Multi Power where the low side has no engine braking?
 
(quoted from post at 04:32:37 02/13/14) I never had the opportunity to run any International that had a torque amplifier.

My question is, do they operate the same as the Massey Multi Power where the low side has no engine braking?
Click to expand...

Correct.

This reminds me of the time I had two loaded wagons behind the 1100 MF. I discovered this half way down a long steep paved driveway. Man did I ever flat spot those tires trying to stop the load! :lol:
 
There are two types of TA, mechanical and hydraulic.

Mechanical TA does not hold back in low range. Tractors with mechanical TA generally have a long lever coming up from the left side of the platform above the brake drum, with a squeeze handle to release it. Exceptions are the 544, 656, 666, and 686, which have a short TA lever on the steering console like the hydraulic TA models.

Hydraulic TA holds back in low range, if it is installed and adjusted properly. 06, 56, 66, and 86 series tractors with numbers starting with a 7, 8, 9, 10, 12, 14, or 15 can be equipped with a hydraulic TA. Also 3X88 and 6X88 series tractors. Hydros do not come with TAs.
 
The Hydraulic TA has a little wet clutch added to low range to allow engine braking, instead of freewheeling through the low sprag clutch. This little clutch is fine when used as intended, but the fellow who is running 20 mph with a heavy load behind and uses low TA as an engine brake constantly instead of using the wheel brakes can destroy that little clutch in one afternoon.
 
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