Caterpillar assembly #3023057 drawings for  390D L General Excavator.
* Last version maybe changed.

Hydraulic System Assembly 302-3057 Lines GP-FRONT(Caterpillar 390D L general excavator)

Part NO. 302-3057
Name Lines GP-FRONT
Section Hydraulic System
Modifier -SMART BOOM
Updated 2018-09-28
Stock China GuangZhou
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CAT 390D L Hydraulic System 302-3057 Assembly

302-3057 Lines GP-FRONT -SMART Boom , S/N KCZ1-UP, Part OF 297-0421 Valve AR-BOOM Lowering CONTROL, AN Attachment
Model: Caterpillar 390D L
Catalog: General Excavator
Section: Hydraulic System

Grp. Ref. Part NO. Name Modify Note Comments Quantity Maint
1 8T-8729 8T-8729 PIN-CONNECTOR 16-GA TO 18-GA 2 N
1 9S-4181 9S-4181 Plug 1-5/16-12-THD 1 N
1 19 5P-7468 5P-7468 Clip SLOT 1 N
1 20 5P-7469 5P-7469 Clip TAB 1 N
1 22 7X-2550 7X-2550 Bolt M12X1.75X110-MM M 2 N
1 24 8T-4139 8T-4139 Bolt M12X1.75X30-MM M 3 N
1 25 8T-4184 8T-4184 Bolt M12X1.75X45-MM M 4 N
1 26 8T-4192 8T-4192 Bolt M12X1.75X25-MM M 1 N
1 27 447-1711 447-1711 Bolt M16X2X50-MM M 2 N
1 28 8T-4198 8T-4198 Bolt M10X1.5X100-MM M 4 N
1 29 8T-4223 8T-4223 WASHER-HARD 13.5X25.5X3-MM THK 8 N
1 30 8T-5001 8T-5001 Bolt M12X1.75X130-MM M 2 N
1 31 451-2175 451-2175 WASHER-HARD 17.5X30X3.5-MM THK 2 N
S: KCZ / KCZ (1 ~ 99999)
: (INCLUDES Receptacle AS & WEDGE) : (EACH INCLUDES) I: Refer TO Hydraulic Information System M: Metric Part Y: Separate Illustration

*Assembly 302-3057 Lines GP-FRONT Suitable for 390D L General Excavator Hydraulic System
*Original 302-3057 Assembly contains Regular Invoice included, After-sales service is provided by the official.
*Used 302-3057 Assembly offer Customs Invoice, After-sales service is provided.
*All Taxes included, no more extra fee.
*Shipping country: Asia China SZ / US(depends on local tax rate,effectiveness/tax rate will be prioritized). have professional services. global.