motor differences combine vs tractor

Prawn Farmer · Jan 21, 2014

What is the main mechanical differences, if any, between the older gasoline powered tractor and combine engines during the 50's and 60's? Did they just use tractor engines with different governors?

Zachary Hoyt · Jan 21, 2014

Often the combine engines were not sleeved, as I have heard it.
Zach

buickanddeere · Jan 21, 2014

(quoted from post at 13:09:37 01/21/14) What is the main mechanical differences, if any, between the older gasoline powered tractor and combine engines during the 50's and 60's? Did they just use tractor engines with different governors?

Location of where some mounting holes are drilled and tapped into the block and head.

RN · Jan 21, 2014

sometimes combine engine crankshaft didn"y have a hole for transmission shaft and different flywheel mountings. Since the combine engine was driving a large belt and didn"t use a mechanical clutch, no need for transmission input shaft hole for the pilot bushing. Flywheel and clutch stress is in and out- a belt drive pull has side stress on crank so a slightly different end main bearing may used and mounting belt pulley would be different that flywheel with need for larger thrust bearing surface. IHC 303 combine engine and tractor 460 engine same family- but swap purpose meant factory did a different crankshaf and if you want to swap combine engine to tractor meand crankshaft end work. tractor to combine means pull flywheel and get a special belt sheave meant for the conversion. RN

Fordfarmer · Jan 21, 2014

I had a Gleaner E that I was told used the same engine as some model(s) of A-C tractors. Don't know what was different, if anything.
The Ford 620 (built by Claas) used the same 256 gas or diesel engine that the Ford 5000 used. Differences were the water pump, flywheel, and (on gas models) the addition of a belt-driven governor.

ss55 · Jan 21, 2014

In the 1950's, 1960's and into the 1070's combines and other harvest machines were sometimes equipped with industrial gasoline engines from other manufacturers instead of tractor engines.

Deere used some Chevy 292 six engines.
Case used Chrysler 318 V-8's.
Massey used Chevy 350's
are a few examples.

Industrial engines cost less and were a good match to the higher horse power, lower hours of machine life requirements of those combines. Tractors were designed for 10,000 hours average life. Combines were designed for 2,000 to 3,000 hours average life. On midwest livestock farms some combines were only used 100 to 200 hours per year. The combines became obsolete or were worn out before the engines needed their first overhaul.

The cost of the engine was a higher percentage of the cost of a combine back then. A lower cost engine that still did the same job was attractive to many farmers back then.

60 acre hillside · Jan 21, 2014

The Gleaner E is the same displacement but considerably different than the D-17 tractor engine

old · Jan 21, 2014

You left out a common one the old Chrysler Slant 6. Saw a good many machines with them.

buickanddeere · Jan 21, 2014

(quoted from post at 14:42:26 01/21/14) You left out a common one the old Chrysler Slant 6. Saw a good many machines with them.

Chrysler Slant Six = leaning tower of power or side hill hemi.

Prawn Farmer · Jan 21, 2014

Yep, what you said makes sense. Around here a 3-400 acre farm was BTO back then with a land use mix divided of pasture, hay ground and grain production for feeding livestock - so combines didn't rack up many hours of use per year.

redtom · Jan 21, 2014

I know the 203??? (which ever was the same engine as the Farmall H) was the same except for clutch pilot hole in crank. No big deal. Just take crank out to machinist and have it bored in the end. Met a guy who did just that.

rrlund · Jan 21, 2014

There wasn't a whole bunch of difference in the 354 Perkins used in the Oliver/White and MF combines and the ones used in the tractors. Mostly just the external components were different. I've got an engine out of a White 8700 in my Oliver 1850. Had to pretty much strip it down to the bare block and head then put all the tractor parts on it,but it was the same at the core.

Russ from MN · Jan 21, 2014

We had a JD with a 6-cylinder Hercules, but it was from the late 40's. I think it was a 45 self propelled, big machine but plugged easily!

Hal/ Eastern WA · Jan 21, 2014

I have heard of "leaning tower of power", but not side hill hemi. The slant 6 did not have a hemi head valve arrangement, but was a classic wedge. I think that some Australian Chrysler 6"s had hemi heads, but I don"t think they were slanted like the regular slant 6.

Equipment also used lots of Chrysler flathead 6 cylinder engines years ago. I have seen smaller Dodge/Plymouth 6"s and also DeSoto/Chrysler larger 6"s on balers, and for that matter some tractors.

Most of the Chrysler engines over the years have been reliable work horses, well suited for use in some kinds of equipment and possibly cheaper than purpose built engines for the equipment builders to power their machines.

Jon Hagen · Jan 21, 2014

Automotive type industrial gasoline engines on combines,

White /Oliver used contenental flathead 6, Several chrysler flathead 6 engines. Also on white / Oliver , Chrysler slant 6 225, 318 A series, 400 B series V8.
Case has Chrysler 318 V8. New holland used Ford truck 361-391 V8. Massey used the Chevy 292-327-350.
Gleaner used atleast the Chevy 292, maybe others.

IH 15 series combines used the IH 345-392 truck V8's.

notjustair · Jan 21, 2014

I can't put it together in my mind right now, but here are a few details. One of the combines that used Chevy engines used a harder crank in it. The engines are highly prized by Chevy guys because of that crank. I wish I remembered the combine or engine. Other than that, they were the same.

urbancase · Jan 21, 2014

i had a mf 510 with a GM 327 with steel crank, and i still have the motor.

RalphWD45 · Jan 22, 2014

On the Chrysler slant six engines, you are not quite correct! all slant sixes were hemi head until 1975, when the engine received a normal head, and pistons, to decompress for unleaded gas. Valves and seats were also changed in 1975, to handle the hotter fuel. I loved the hemi sixes!

Massey farmer · Jan 22, 2014

Classic case of Internet misinformation.

Hal/ Eastern WA · Jan 23, 2014

The heads on USA slant 6"s did change some about that time to eliminate the spark plug tubes, which often leaked oil. They also might have received hardened valve seats to help deal with unleaded gas. But the valve arrangement stayed more or less the same, with a wedge chamber and inline valves both on the same side of the head. And the compression ratio was always fairly low, except for some 170 Hyper-packs that featured 10 to 1 c.r. for the 1960-61 NASCAR series for the new "compacts". The Valiants wiped the field with that hot rod combination--way faster than the Falcons and Corvairs, and because there was no good competition, the series ended very soon.

I have tinkered with slant 6"s for nearly 50 years and also have owned several Hemi V8"s. The hemi valve arrangement puts valves opposite or nearly opposite each other at quite an angle between them, and the spark plug near the center of the dome shaped combustion chamber. Wedge engines have valves that are inline or nearly inline and combustion chambers that are shaped like a wedge.

None of the USA produced Chrysler slant 6"s had hemi heads. Ever!

motor differences combine vs tractor

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