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What all was available aftermarket for an M?

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02-26-2002 18:32:20

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What accessories can you remember being available for an M? I can think of a 9 spd tranny, a hand clutch, live hydraulic pump, power steering. Can you think of any others? Why would you want a hand clutch on an M? How did the 9 spd work?

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john d

02-27-2002 09:39:18

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 Re: What all was available aftermarket for an M? in reply to FM, 02-26-2002 18:32:20  
Well, where do you start, and where do you stop on a topic like this? Back in the 50s when I was a kid and almost every farm around here had an H, M, or both, you could walk into the local IH dealership and see dozens of items on the counter or the wall that were designed to improve a tractor in some manner. Lots of these were IH-produced, many were manufactured elsewhere and sold by the IH dealer. Other suppliers such as Tractor Supply Co. in that era had pages of aftermarket items listed for different makes and models of popular tractors.
There were so many of these tractors, and so many uses for them, that I'm sure there were items sold in various parts of the country that were not popular (or useful) in others.
It should also be mentioned that the H and M models were so similar in basic design to later units produced by IH that many of these tractors were upgraded with "aftermarket" parts that were standard equipment on the "Super" models as well as later units.
Here's the list I could think of, with apologies for mentioning some of the items in previous posts:


Overbore kits –thinwall sleeves / high compression pistons Dual throat manifolds
Dual throat carburetors
Long-stroke crankshaft
Governor – various brands
LP gas conversions
Block heaters for cold weather – stud bolt, magnetic, tank, etc.
Manifold water/alcohol injection
Gear-reduction starter

Transmission/final drive:

9-speed – M&W / Heisler
High speed 3rd-4th gears, as in SM and later
Heavy-duty bearings – as in 560
Hand clutch attachments- various
Clutch linkage extension to lower pedal pressure

PTO – M&W hand clutch for “live” pto (also provided “live” hydraulics from lift-all pump, but gears could not be shifted using this clutch)
Over-running clutch

Wide front
Power Steering – Behlen and Charlynn
Wedge for lower bolster to change caster
Anti-kickback steering wheel/hub combination
Spinner knob for steering wheel


Brake lock improvements and control rods
PTO engagement lever – on right side of seat, controled pto engagement rod
Seat – various brands and types
Friction throttle lever
Heat-houser, Cab-Ette and other canvas weather housings
3-pt hitch
“Super-Snoot” elevated air intake for grill – used with mounted corn picker
Hour meter
Screw-on oil filter
Dual wheels – hub and clamp-on type
Toolboxes – various types
Wheel weights – various types - cast iron, water tank, etc.
Oversize rims and tires
Additional lights
Mufflers/rain caps – various
Pre-cleaners for air intake
Extensions for fender mounts
Gas caps - various
Clip to hold grease gun
Hitch pin contol from seat – various types


Live pump on distributor shaft
Two-way control valves
PTO-driven high volume pump

And I supppose you could add things such as tire chains, implements such as loaders and sprayers, etc.

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02-27-2002 09:09:20

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 Re: What all was available aftermarket for an M? in reply to FM, 02-26-2002 18:32:20  
In reviewing the other posts, one that we worked on or added was M & W starter gear reduction, It geared the starter down, Fire Crater S & P had enough higher compression engine would barely turn over with std starter, another company that made these was A & W.

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02-26-2002 21:53:50

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 Re: What all was available aftermarket for an M? in reply to FM, 02-26-2002 18:32:20  
When I was a kid growing up we had a'47 M with a Schartz hand clutch. My uncle, who raised me, raised a lot of cattle and he had it installed to give him the equivalence of live pto to run his feed wagon. He also had a Schartz wide front end on this tractor.

It was the first tractor that I ever drove. At five I was too small to reach the brakes and foot clutch at same time but could operate the hand clutch while standing on one foot and using other foot on brakes. I spent hours on end driving around one of the feedlots and baking the feed trailer in between the fence and concrete horse trough.

Later on after he pased away I bought a M with the M&W 9 spd. The pin that prevented using 5th in overdrive had been removed in effect making it a 10 spd. It would really fly down the road. Looking back, I realize how dangereous it was as it had a loose front end.

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Red Man

02-26-2002 18:40:29

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 Re: What all was available aftermarket for an M? in reply to FM, 02-26-2002 18:32:20  
Hand clutch gave an independent PTO, 9 speed gave extra speeds for rotary hoeing corn,etc. There is o an M & W add power governor, overhaul kits, auxiliary hyd. valve, friction disc throttle, PTO handle, brake catch rod that attached to the light bar, power steering, stroker crankshaft, and I think there are others.

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02-26-2002 18:53:11

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 Re: Re: What all was available aftermarket for an M? in reply to Red Man, 02-26-2002 18:40:29  
I knew I was forgetting one. How much extra HP does the governor add? What is the PTO handle, an extension? Is the 9 sp a whole new tranny? I seem to remember seeing something about it being an over/under drive....

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Dick Davis

02-27-2002 01:49:15

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 Re: Re: Re: What all was available aftermarket for an M? in reply to FM, 02-26-2002 18:53:11  
Saw an M&W advertising poster that showed an M with 9 M&W after market improvements. Of course there were other companies that made after market stuff. Like Elwood FWA. And who made the cork float gas gauges? Dick

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Denny Frisk

02-27-2002 07:30:24

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 Re: Re: Re: Re: What all was available aftermarket for an M? in reply to Dick Davis, 02-27-2002 01:49:15  
IH had the gas gauge gas caps made. The PTO lever thing was a small lever, 18" long that clamped on the PTO rod and the other end of the lever stuck up along side the seat base. Eliminated reaching way back & down to engage PTO. The M&W Gov. really didn't add any HP... ARPS also made half-track kits for M's. Dad 's '51 M has the 12" clutch like Super M's and when I started driving it when I was 5-6 yrs old I could NOT push the clutch in. Some co. made a little extension for the clutch lever to lengthen it an inch or so so I could. It's still on the tractor after 40+ yrs. Both Char-Lynn & Behlen made Power steering kits. Heisler also made Over-Drives for M's.

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