Workshop notebook material

Caterpillar 312C Hydraulic Hose Length & Fitting Lookup

Available Caterpillar 312C workshop notes include part numbers and recorded lengths for hose lookup. Verify every value and both fittings on the machine before fabrication.

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Digitized data and source sheets

Caterpillar 312C Hose Data and Original Handwritten Sheets

The table is a searchable transcription of the Caterpillar 312C workshop notes. The complete original handwritten sheets are shown below without cropping.

Digitized measurements from these sheets

Workshop measurements
Part numberRecorded length
1I1-09881,950 mm
4I-07692,850 mm
4I-07723,550 mm
4I-08001,300 mm
4I-1095715 mm
4I-17601,500 mm
4I-39882,250 mm
4I-61361,500 mm
5I-8879900 mm
7I-13641,007 mm
7I-825212,350 mm
7Y-3758776 mm
7Y-41932,500 mm
7Y-41991,800 mm
F107-1478990 mm
G71-1288900 mm
TI-13031,700 mm

Original handwritten sheets

Complete pages are shown in their original proportions without cropping.

Caterpillar 312C hydraulic hose part numbers and recorded lengths — technician notebook page 1 of 6 — recorded hose parts 4I-1095, 5I-8879, 7I-1364
Notebook page 1 of 6Recorded on this sheet: 4I-1095 — 715 mm; 5I-8879 — 900 mm; 7I-1364 — 1,007 mm; 7Y-3758 — 776 mm; and 3 more recorded hoses.
Caterpillar 312C hydraulic hose part numbers and recorded lengths — technician notebook page 2 of 6
Notebook page 2 of 6
Caterpillar 312C hydraulic hose part numbers and recorded lengths — technician notebook page 6 of 6 — recorded hose parts 4I-6136
Notebook page 6 of 6Recorded on this sheet: 4I-6136 — 1,500 mm.
Caterpillar 312C hydraulic hose part numbers and recorded lengths — technician notebook page 5 of 6 — recorded hose parts 1I1-0988
Notebook page 5 of 6Recorded on this sheet: 1I1-0988 — 1,950 mm.
Caterpillar 312C hydraulic hose part numbers and recorded lengths — technician notebook page 3 of 6 — recorded hose parts 4I-0769, 4I-0800, 4I-3988
Notebook page 3 of 6Recorded on this sheet: 4I-0769 — 2,850 mm; 4I-0800 — 1,300 mm; 4I-3988 — 2,250 mm; 7I-8252 — 12,350 mm; and 2 more recorded hoses.
Caterpillar 312C hydraulic hose part numbers and recorded lengths — technician notebook page 4 of 6 — recorded hose parts 4I-0772, 4I-1760
Notebook page 4 of 6Recorded on this sheet: 4I-0772 — 3,550 mm; 4I-1760 — 1,500 mm.
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