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Improved Hoses Are Now Used on Certain Backhoe Loaders {5057} Caterpillar


Improved Hoses Are Now Used on Certain Backhoe Loaders {5057}

Usage:

424B JRN
Backhoe Loader
424B (S/N: JRN1-UP)
424B HD (S/N: JRY1-UP)

Description Of Change: Improved hoses are now used on certain Backhoe Loaders. The new hoses have quality improvements to extend the service life of the hose.

Adaptable To:

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Table 1
Required Parts 
Item  Qty  Part Number  Description 
1  1  416-6911  Boom Cylinder Lines Gp 
2  1  416-6917  Bucket Cylinder Lines Gp 
3  1  424-3885  Service Brake Control Gp 
4  1  318-0130(1)  Return Lines Gp 
5  1  424-1801(1)  Lift Cylinder Lines Gp 
6  1  424-1803(1)  Pump Lines Gp 
7  1  454-5755(1)  Steering Lines Gp 
8  1  454-7948(1)  Hydraulic Oil Lines Gp 
9  1  454-7951(1)  Sideshift Lock Lines Gp 
10  1  454-7954(1)  Swing Lines Gp 
11  1  372-2775(2)  Pump Lines Gp 
12  1  372-2785(2)  Power Train Cooler Lines Gp 
13  1  415-4517(2)  Lift Cylinder Lines Gp 
14  1  415-4527(2)  Pump Lines Gp (Return) 
15  1  415-4529(2)  Steering Lines Gp 
16  1  424-3945(2)  Swing Lines Gp 
17  1  424-3946(2)  Sideshift Lock Lines Gp 
18  1  424-3947(2)  Hydraulic Oil Lines Gp 
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(1) For 424BHD machines only.
(2) For 424B machines only.
All lines groups listed in Table 1 contain the improved hoses.

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Table 2
Required Tools 
Item  Qty  Part Number  Description 
19  1  494-9806  Tool Box As 
Tools within tool box assembly (20) are required for Cat hoses.

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Table 3
Lines Group Adaptability and Effectivity 
Sales Model  Adaptable To  Effective With 
424B  S/N:JRN1-2990  S/N:JRN2991-UP 
424BHD  S/N:JRY1-1208  S/N:JRY1209-UP 
The improved hoses are adaptable to and effective in production with the machines listed in Table 4.

Note: Refer to Table 4 for effectivity on items (6), (11c), and (11d).

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Table 4
Lines Group Adaptability and Effectivity for Items (6), (11c), and (11d) 
Sales Model  Adaptable To  Effective With 
424B  S/N:JRN1-3079  S/N:JRN3080-UP 
424BHD  S/N:JRY1-1254  S/N:JRY1255-UP 

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Table 5
Tool Box Assembly Adaptability and Effectivity 
Sales Model  Adaptable To  Effective With 
424B  S/N:JRN1-2955  S/N:JRN2956-UP 
424BHD  S/N:JRY1-1209  S/N:JRY1210-UP 
Tool box assembly (20) is adaptable to and effective in production with the machines listed in Table 5.

Lines Groups

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Table 6
416-6911 Boom Cylinder Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
1a  1  473-6131  Hose As  416-6913 

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Table 7
416-6917 Bucket Cylinder Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
2a  1  473-6129  Hose As  332-7496 
2b  1  473-6133  Hose As  318-1602 
2c  1  473-6135  Hose As  325-4877 

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Table 8
424-3885 Service Brake Control Gp 
Item  Qty  New Part Number  Description  Former Part Number 
3a  2  473-6125  Hose As  320-7875 
3b  2  473-6126  Hose As  320-7876 

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Table 9
318-0130 Return Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
4a  1  473-6149  Hose As  320-7865 
4b  1  486-1606  Hose  421-4436 

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Table 10
424-1801 Lift Cylinder Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
5a  4  473-6124  Hose As  415-4522 

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Table 11
424-1803 Pump Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
6a  1  498-9117  Hose  5P-0743 
6b  1  498-9118  Hose  5P-0743 

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Table 12
454-5755 Steering Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
7a  1  473-6123  Hose As  318-2222 
7b  1  486-0059  Hose As  466-2715 
7c  1  486-0060  Hose As  466-2716 

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Table 13
454-7948 Hydraulic Oil Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
8a  1  473-6116  Hose As  317-9640 
8b  1  473-6117  Hose As  364-7003 

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Table 14
454-7951 Sideshift Lock Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
9a  1  473-6121  Hose As  364-7004 

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Table 15
454-7954 Swing Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
10a  2  473-6114  Hose As  364-6993 
10b  1  473-6118  Hose As  319-6755 
10c  1  473-6119  Hose As  454-7952 
10d  2  473-6122  Hose As  319-6771 

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Table 16
372-2775 Pump Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
11a  1  473-6145  Hose As  372-2777 
11b  1  473-6148  Hose As  415-4516 
11c  1  486-1603  Hose  5P-0743 
11d  1  494-3835  Hose  5P-0743 

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Table 17
372-2785 Power Train Cooler Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
12a  1  473-6143  Hose As  372-2786 
12b  1  473-6144  Hose As  372-2787 

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Table 18
415-4517 Lift Cylinder Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
13a  4  473-6124  Hose As  415-4522 

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Table 19
415-4527 Return Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
14a  1  473-6138  Hose As  415-4514 
14b  1  473-6139  Hose As  415-4528 
14c  1  473-6149  Hose As  320-7865 
14d  1  486-1606  Hose  421-4436 

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Table 20
415-4529 Steering Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
15a  1  473-6123  Hose As  318-2222 
15b  1  476-6137  Hose As  415-4530 
15c  1  486-0059  Hose As  466-2715 
15d  1  486-0060  Hose As  466-2716 

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Table 21
424-3945 Swing Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
16a  2  473-6114  Hose As  364-6993 
16b  1  473-6118  Hose As  319-6755 
16c  1  473-6119  Hose As  454-7952 
16d  2  473-6122  Hose As  319-6771 

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Table 22
424-3946 Sideshift Lock Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
17a  1  473-6121  Hose As  364-7004 
17b  1  473-6136  Hose As  416-6910 

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Table 23
424-3947 Hydraulic Oil Lines Gp 
Item  Qty  New Part Number  Description  Former Part Number 
18a  1  473-6116  Hose As  317-9640 
18b  1  473-6117  Hose As  364-7003 

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