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Largest displacement gas engine

Stationary engines were made well over 1000 cubes for generators, pumps and compressors. Cummins currently markets a 12 liter (702 Cubic inch) CNG engine for class 8 trucks. IIRC before WWII there were distillate powered spark ignition rail road locomotives, again probably well over 1,000 CID.
 
Can't help you if you're just after tractor engines, but the Daimler-Benz motor in a Messerschmitt 109 was 2147 cubic inches. The Napier Lion engine in original Bluebird land speed record car was 1461ci...
 
Back in the day MM made a 1210 cu. inch engine. It was essentially two 605s side by side with gear driving one clutch.

They also had a kit to put an 800 cu. inch engine in some of their tractors, if you want to stay on tractors.

There were also some really huge ship engines too.
 
JD D 501ci, Minnie-mo G1000 504 ci just a couple examples of tractors. I know Ford made a 534ci truck engine. Oh forgot about GMC built a 702ci V-12 truck engine. Not for sure but I think Waukesha built some gas engines over 1000ci. Aircraft engines over 2000ci have been produced. If you know of any municipalities that have there own elecrical generation. Those engines (one mfg. is Fairbanks-morse) can be way bigger than any I've mentioned, but generally use natural gas or diesel.
 
meant to add that the RR merlin engine was only 1647ci, while it's big brother the Griffon was 2240ci.
 

Rolls-Royce Packard V-12's used in P-51 Mustangs and other WWII aircraft was 1650 cubic inches. Wright Cyclone radial engines used in B-17's was 1825ci.
 
I know we used inverted V 12 engines in P-51s and Lightening P-38s. I know the Brits used the RR Merlin in the Spitfire, Mosquito and their other plane similar to the Spitfire and we trashed the Allison in favor of the Merlin for it's high altitude performance. Curious about their displacements.

The Germans also used a V in the twin engine med. bomber that rained on Britian, ME 111 I think it was.

What about the big 2000 hp radials and I think some were larger than that, like in the B 29 and the gull wing F-4U Corsair...Twin Wasp, 2 banks of 9 cylinders?

I could look it up, but we are on coffee shop time here so why not bat it around amongst ourselves. Grin.

Mark
 
Remember the old army 10 ton trucks that had a 844 CI V8 gas engine. We used them to tow 8" howitzers. They were a gas guzzling beast and if I remember correctly they governed out at 2400 rpm.
 
This is not a tractor, butbup in Rollag Mn. they have one that has I think a 4' bore and 5' stroke. Or maybe those are reversed. I don't know how much that is in cubic inches, but it's a lot.
 

The WW2 M4 High speed tractor I restored had a Waukesha 817 cube gasser. It isn't a farm tractor but tractor is in its name. In Kansas I saw a Waukesha 817 cube V8 irrigation engine that was not diesel, probably NG. It was retired but I would love to hear that thing running under a load.
 
The UD-24 and TD-24 International engine started on gasoline and had a carb and magneto so could be considered a gas engine. 1091 Cid. In line six cyl
 
We have several antique trucks with 998 cubic inch 6 cylinder engines. I think they have 5 7/8" pistons. Use gas like you can't believe...
 
The WWII-era Hall-Scott "400", 1,090 cubic inch straight 6 gas truck engine is a big 'un.

In addition to military trucks it believe the 400 also found its way into a few large fire trucks after the end of the war.
 
The JD Model D had 501 CI.

But if you are talking BIG. Corliss made a gas engine that was over 800 CI in a single cylinder.

I think in the early 1900's there were some HUGE gas engines made to generate electricity.
 
The early '60's B70 series Mack trucks had a 6cyl 707cid gas. I briefly used one in a 10 wheel dump back in the day. It developed 205hp at 2400, 615 ft# torque at 1200, and IIRC burned about 5 gallons an hour whether it idled or was hauling 8 ton of gravel. But that's tiny compared to what some here tell of.
 
The older M88 armored recovery vehicle (tracked tow truck for tanks) First used a 1790 CI twin supercharged gas engine rated at 1000 HP.

Rick
 
Not the biggest engine listed, but Ford GAA's were the largest aluminum engines built - 1100 c.i. 60 degree V8, aluminum block and heads, gear driven valve train, 4 valves per cylinder.
 
i worked for cont outfit that had a gen set power was four Detroit 671 diesels 2 side by side on each end of a common gear box shaft drive out between two engines to gen .two engines set up to run back wards to the other two. thats 1704 cui
 
The P51 and P38 never had their 'V' engines inverted. The German made ME109 did have an inverted Dialmer Benz V12. Chrysler experimented with an inverted V16 (their first 'hemi') which was essentially 2 V8s cast together, but the war ended and the project was cancelled.
 
In 1923, Count Louis Zborowski built a racing car in England with a Liberty aero engine of 1647 cubic inches. It was fast in a straight line, but very difficult to get round corners. Phil
 
in 1965 Buick experimented with the 500 cc engine. Two 4 barrels . slurped gas like a hog at the water trough. Had one for a year and had to dump it. More problems than Buick wanted to handle.
 
Looked up stats for a Snow engine like the one I am thinking of at Rollag. 24" x 48" bore and stroke. On two double acting cylinders all on one connecting rod.
 
(quoted from post at 09:11:51 01/16/15) Not the biggest engine listed, but Ford GAA's were the largest aluminum engines built - 1100 c.i. 60 degree V8, aluminum block and heads, gear driven valve train, 4 valves per cylinder.
Click to expand...

Actually the M88 engine had an aluminum block. Was an air cooled V12 but had cast iron cylinder jugs.

Rick
 
Oooops - in my hurry to get out the door this morning, while the ground was still frozen, I forgot to add the word "tractor" in my question. (largest tractor displacement engine)
 
(quoted from post at 15:41:32 01/16/15) Oooops - in my hurry to get out the door this morning, while the ground was still frozen, I forgot to add the word "tractor" in my question. (largest tractor displacement engine)
Click to expand...
hese were probably diesels, but still impressive for single cylinder:
Lanz Bulldog, Germany-----single cylinder nine inch bore

Single cylinder 9 inch bore X10 inch stroke, ~ 630 CI or 10 liters, 50 to 300 RPM

.....and the Field Marshall single at >500 cu in tractor.
 
This qualifies as a tractor engine as it was used in a modified pulling tractor.Packard 2470 cu. in. V8 PT boat engine.

Merlin V 12.......1647 Cu. In.

Allison V 12......1760 Cu. In

Ford V 8 Tank engine..1670 Cu. in

P&W 4370 Cu. in. 28 cyl in 4 banks of 7 cyl per row. Was used in B-50, B-36 and C-124. Worked on the C-124 and was a thrill setting full power carburetor mixtures through an access panel in the wing behind the engine.

Gene
 

There are some HUGE natural gas engines used in natural gas compressor stations. Some shake the ground for a mile around them.
 
Okay. Rethinking the subject, since the two American aircraft I mentioned had guns mounted external to the engines, unlike the 109 which fired a cannon through the nose, I guess they didn't need to invert them like the 109.

Thanks for the update.

Mark
 
There are quite a few larger natural gas rigs around. One is at the W. Minnesota grounds in Rollag, Minn. It has a 24 x 48 B&S and displaces 81,388 cubic inches. Of course, it may make the performance in a Corsair somewhat dull.....
 
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