CATERILLAR D4-7U
FACTS AND SPECS OF THIS GREAT BULLDOZER
Rear of a D4 -7U
The D4 actually started around 1937 with a G4 Series then evolved into the 7U Series of the 1940s and 1950s. The Caterpillar Company continued to build new D4s right up till now and they are a great machine. The smaller D2 was a bit underpowered for the weight but the D4 was another machine and solid as. The Pony motor started the machine then the diesel engine kicked in once primed by the petrol -powered motor. The Pony motor carb kit: CAT part number or better yet the Zenith carb number should be a Zenith K2067 kit. The older D-4s have the same carb kit as a John Deere JD 720 and 730 pony motor
The Caterpillar D4 -JU Series
| D4. 7U. 1947 7U1-7U1797 |
D4. 7U. 1948 7U1798-7U4257 |
| D4. 7U. 1949 7U4258-7U8027 |
D4. 7U. 1950 7U8028-7U11887 |
| D4. 7U. 1951 7U11888-7U16008 |
D4. 7U. 1952 7U16009-7U20836 |
| D4. 7U. 1953 7U20837-7U26193 |
D4. 7U. 1954 7U26194-7U30583 |
| D4. 7U. 1955 7U30584-7U35569 |
D4. 7U. 1956 7U35570-7U39596 |
| D4. 7U. 1957 7U39597-7U42012 |
D4. 7U. 1958 7U42013-7U42725 |
| D4. 7U. 1959 7U42726- |
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4 cylinder motor Caterpillar D4-7U Bulldozer. This machine has just been purchased and will have fitted new steering clutches etc so check with us again as we add more pics etc
The Cat D4 motor show the fuel pressure guage in good order and when started this working fine with excellent fuel pressure. If no pressure undo the nut on the right of the guage to make sure diesel is flowing thru
Overview of the motor. We will restore this D4
A Birtley 4 metre wide blade for the D4 is solid made in the UK for Caterpillar
WE ARE ALWAYS INTERESTED IN BUYING USED CAT D4-7U PARTS ANYWHERE IN NZ.
JUST EMAIL US
If you wish to share any CatD4-7U info please send us email. We are happy to add information for you on our website especially parts comments, problems, pics of your machines ---etc. For Kiwis with Cat 7U tell us what serial number you have and where in NZ you live as we wish to index machines. [ D4-7U bulldozer Forum ad ]
[ D4-7U pony motor & add Honda starter ] [ D4-7U bulldozer latest Oct 2010 pics [ D4-7U work next on steering clutches 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 ] [ D4-7U bulldozer pics ] [ D4-7U bulldozer pony ] [ D4-7U bulldozer Birtley blade ] [ D4-7U bulldozer hyster winch ] [ D4-7U bulldozer USA parts ] [ NZ suppliers of CAT & Komatsu parts ]
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