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Mini-Tractor Test Rigs
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The Gooch Mini-Tractor can test vehicles together or separately!
You can test tractor and trailer separately as well as two or more vehicles in combination. The combination test, can test up to six positions simultaneously and alert you to the need for balance to eliminate trailer over-ride.
The Analyzer establishes one hook up point as a base, and measures ascending and descending time (in milliseconds) required to reach pressures 2-4-5-8-10-12-14-16-18-20-25-30-35-40-50-55-60-65-70-75-80-85-90-95 psi at that point. At the same time, it measures pressures at the other positions, providing a clear picture of braking conditions from the brake treadle to the rearmost trailer brake chamber.
Given this information, it's comparatively simple to make adjustments to achieve brake timing and pneumatic balance, calculate pressure differential, valve crack pressure and brake torque. | |
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These Mini-Tractor Test Rigs can test
big truck brakes in
1 hour flat!
Meets DOT, NHTSA & FMVSS-571.121 Requirements |
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MT-300 |
MT-400 |
MT-600 |
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Check out all of our test equipment:
- MT-300 - Portable - take it in the field
- MT-400 - Why pay for portability when you don't need it
- MT-600 - Our top-of-the-line
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Top of the Line: MT-600 Mini-Tractor |
M-600 Air System
Response Analyzer
Contains microprocessor with digital LED instrument display panel, printer, fittings, foot switch, electronics, six transducers, six shielded cable assemblies (two 50', two 100', one 125', one 150').
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Base Cabinet
Contains 1,000 cu.in. air reservoir, air pressure regulator, electric air solenoid, all necessary valving and fittings.
This is the rig for use in the shop. It operates on shop air and 115+ volt shop power. MT-600 can make all the tests without starting the truck. Mounted on wheels, its easy to roll to any part of the shop, requires no permanent test location of its own. | |
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With the M-600, one simple six positions hook up and testing sequence replaces hours and hours of inaccurate eyeball-ruler-and-air-gauge averaging. Six shielded cable / transducer assemblies connect all pressure reading points (tractor and/or trailer) to the Analyzer simultaneously. This allows a complete battery, of pressure and response tests, to be conducted without changing any connections. You can test everything this is to test in about an hour, and get results so accurate they meet DOT requirements.
You get all this accuracy, dependability and speed in a package so simple that any competent mechanic can master it in a few hours. Dramatic labor savings, plus reduced accident expense, can lead to a phenomenal return on the investment. |
If you have an interest in keeping big trucks rolling safely and economically, the Gooch Air System Response Analyzer is a device you should investigate. Satisfaction is guaranteed.
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MT-300 |
MT-400 | |
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MT-300 can make all the tests |
MT-400 - Why pay for portability? | |
If you don't mind changing a few connections, you may prefer our slightly less expensive unit. Comes with three (instead of six), cable /transducer assemblies. Printer is optional, so you can cut costs even more if you decide to do without it. |
The model MT-400 is for users who do not need to do field testing.
All elements are in one compact,
easy-to-use, cabinet which operates on shop air and AC power or truck air and DC power. Unit includes three cable/transducer assemblies.
Quick disconnect makes electronics easily removable for service.
Printer is optional. | |
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