Fiat Tractor Similarity Table

FIAT COCKSHUTT OLIVER Minneapolis Moline WHITE Allis ChalmersHESSTON
411R/411RG 411-R/411RG ----------------411R
4151250 1250----------------
6151450 1450----------------
75014651465----1470 --------
REDESIGNREDESIGNREDESIGNREDESIGNREDESIGN
REDESIGN
REDESIGN
4501250-A 1250-A--------5040(same basic design, but tractor built by UTB later on)----
450 1255 1255--------5040(same basic design, but tractor built by UTB later on)----
5501355 1355----------------
48012651265G3501270 5045----
480-8--------------------480-8
600early 1365early 1365G450------------
640late 1365late 1365----1370 --------
500------------2-50--------
640late 1365late 1365----2-60 ----640
540S----------------5050----
UPDATEUPDATEUPDATEUPDATEUPDATE
UPDATE
UPDATE
780------------700 ----780

From the REDESIGN band down, all tractors are of uniform engine and chassis design except for the Fiat 780/White 700/Hesston 780 which has updated chassis and operator's platform.

Keep in mind that these tractors aren't identical, but very similar. The similarities are in the power trains, and not always the actual appearances of the tractors, as in the case of the A-C 5050, and its Fiat powertrain-mate, the 540S. Also, the similar models weren't necessarily built at the same time, again, as in the A-C models being produced at a later date than their Oliver, Cockshutt, and Minneapolis Moline counterparts. Universal(UTB) and UTB-built Long models are also similar to many of the above tractor models, ie:
Long/Universal 445=Fiat 450
Long/Universal 550=Fiat 550 (UTB using split heads and longer block, crank, and camshaft)
Long/Universal 640=Fiat 640 (UTB using split heads and longer block, crank, and camshaft)

All Hesston models, both older and newer, used the original Fiat model numbers.

Simply put, all these tractors are built from mix and match components with a high degree of parts interchangability. Those components consist of: Engines; Transmissions and Clutches; 2 different 2WD Front Axles; 2 different 4WD Front Axles.

3 cylinder engines (8035), or 4 cylinder engines (8045). All engines have the same stroke, and only differ in bore size and rated RPM.

6 or 8 speed transmissions. Either transmission could have an added Creeper drive, providing 50 percent more speeds. 8/12 Speed transmissions have larger brakes and final drives

2WD front axles were either:
Round Tube (1250-A, 1255, 1265 Early, AC 5040, AC 5045 Early), or:
'Inverted U' (1265 Late Model, 1355, 1365, White 2-50, White 2-60, AC 5045 Late, AC 5050).

4 wheel drive were available in all in either 'Side Drive' in the 1250-A, 1255, 1355, or 'Center Drive' (vastly improved) in all the rest.

The 6 Speed transmission have 1 gear shift lever ('1 stick'), but would have 2 levers (1 offset) if equipped with Creeper Drive (9 Speed; uncommon)

The 8 Speed transmission have 2 gear shift levers ('2 stick'), but would have 3 levers (1 offset) if equipped with Creeper Drive. (12 Speed; rare)

6 and 9 Speed tractors have Live PTO with a 2 Stage 10" clutch.

8 and 12 Speed tractors have Independent PTO with an 11" clutch and hand lever for PTO operation.

All tractors in the table except for the Allis Chalmers 5040 are built by Fiat in Turin, Italy

Universal (UTB) and Long tractors (not shown here) and the Allis Chalmers 5040 are the same, and were all built in Brasov, Romania.

Equivalents 2

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