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Caterpillar D4

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Caterpillar D4
Caterpillar D4D with linkage at Lincoln 08 - P8170561
A tidy Caterpillar D4D fitted with cab and 3-point linkage. Exhibited at Lincolnshire Steam and Vintage Rally 2008
Model history
Model introduced 1938
Model discontinued Unknown
Preceded by Caterpillar RD4
Engine Specification
Engine make Caterpillar
Fuel type Diesel
Power hp Unknown
Cooling system Water
Transmission Details
Transmission type Unknown
Drive tracked
Linkage Category Unknown
Other info
Plow rating Unknown
Web site http://www.caterpillar.com/
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The Caterpillar D4 track-type series tractor is a small bulldozer manufactured by Caterpillar Inc.. It replaced the Caterpillar RD4 4G series.

HistoryEdit

Caterpillar first introduced the D4 in 1938 as the diesel follow on to the successful CAT 30 gas model.[1] In 1935 Caterpillar started the naming convention of 'D' for diesel or 'R' for regular gas followed by a number to indicate the relative size.[2] At the time of introduction the D4 engine produced about 40HP so the 4 indicated the relative engine power. The D4 series engines quickly increased in power so the numbers just became a figure of merit rather than indicating actual engine power.

Model rangeEdit

The D4 was built in many plants around the world.(I managed to find the following info regarding the serial no. prefixes for D4Ds, they surely did make them all over the place) [3]

Cat D4D Build details
Serial Number group Build Locality Date Produced from to Notes
7R 1045 France 1970 - 1977
18J 371 France 1966 - 1968
20J 557 USA 1967 - 1968
22C 655 USA 1967 - 1968
44H 1703 France 1970 - 1978
47H 811 Japan 1971 - 1978
49J 769 Australia 1969 - 1973
58J 603 France 1968 - 1969
59J 2725 France 1969 - 1978
60J 6008 France 1968 - 1978
61J 928 France 1968 - 1978
65J 2112 France 1969 - 1978
66J 4255 Japan 1968 - 1978
67A 1575 Japan 1966 - 1969
69K 480 Australia 1969 - 1972
74U 1203 Brazil 1976 - 1979
78A 7845 USA 1963 - 1968
82J 4864 USA 1968 - 1977
83J 4169 USA 1968 - 1977
84J 2521 USA 1968 - 1978
85A 1043 Australia 1963 - 1969
86A 3589 France 1964 - 1968
88A 1124 England 1964 - 1968
91A 1149 Japan 1966 - 1969
97F 4446 Brazil 1970 - 1979

Preservation examplesEdit

The D4 is a popular model for collectors as they were relatively common as a medium farm crawler tractor, and at about 5 tons, are reasonably transportable.

please list known examples here;

List of Preserved Caterpillar D4 tractors (all series)
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Make + Model No. Serial No.
(if known)
Build-Date Engine-Type/Make Owner
(if known)
Photo Were seen/Featured in Other info
Cat D4 sn ? year ? engine ? J. Foster Caterpilar D4 of J Foster at Malvern 09 - IMG 5512 At Tractor World Show - Malvern 2009 Immaculate restoration
Cat D4 sn 5b 3758 year ? Engine ? owner ? Caterpillar D4 sn 5B3758 at neath 2012 - IMG 7942 At Neath Vintage Show 2012 Fitted with ? Winch
Cat D4 sn 7U 36870 / (LDO 753) year ? Engine ? owner ? Caterpillar D4 sn 7U36870 - (LDO 753) at Newark 2012 - IMG 4124 At Newark Vintage Tractor Show 2012 Road registered
Cat D4D (ag spec) sn ? year ? Engine ? owner ? Caterpillar D4D with linkage at Lincoln 08 - P8170561 At Lincolnshire Steam and Vintage Rally 2008 Fitted with Three-point Linkage
Cat D4D (ag spec) Caterpillar D4D sn 44H15833 year ? Engine ? Paul ?
Caterpillar D4D sn 44H15833 at Gamston WW 2011 - IMG 3321
At Gamston Working Weekend 2011 Fitted with Hydraulics & a Westlode Engineering cab
Cat D4D bulldozer sn 59J 779 year ? Engine ? owner ? Cat D4D 59J779 Bulldozer at EM wd 2011 - IMG 0494 At East Midlands Vintage Working Weekend 2011 Fitted with Bulldozer blade
Cat D4E bulldozer sn ? year ? Engine ? owner ? Cat D4E Bulldozer at EM wd 2011 - IMG 0503 At East Midlands Vintage Working Weekend 2011 Fitted with Bulldozer blade
Image needed LHB


Image needed LHB


Please add any tractor with a known serial no. with Photo if possible.
Create a page (link) for an individual tractor by linking the serial number using serial number in the relevant column. Then once saved click the red link to start the new page and add info on that tractor.


See alsoEdit

ReferencesEdit

External linksEdit


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