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Home > Products > Oil Seal Kits > 07011-00068 0701100068 HNBR PU FKM Carbon Filled PTFE Multi-Material Composite Oil Seal Kit for Bulldozer Transmission Travel Steering Combined Valve Complete Overhaul Servicing D80A-12

07011-00068 0701100068 HNBR PU FKM Carbon Filled PTFE Multi-Material Composite Oil Seal Kit for Bulldozer Transmission Travel Steering Combined Valve Complete Overhaul Servicing D80A-12

Product Details

Place of Origin: China

Brand Name: OUB

Certification: ISO9001

Model Number: 07011-00068

Payment & Shipping Terms

Minimum Order Quantity: 10

Price: Negotiable

Packaging Details: PP Bag Inside.outer is carton with film wrapped.

Delivery Time: Within 5-15 days after getting your desposit

Payment Terms: L/C,D/A,D/P,T/T,Western Union

Supply Ability: 1000Pcs

Get Best Price
Product Details
Highlight:

HNBR PU FKM oil seal kit

,

Carbon Filled PTFE oil seal

,

Bulldozer transmission oil seal kit

Part No.::
07011-00068
Part Name::
SEAL LIP
Model:
D80A-12
Machine:
Bulldozer
Material:
PU
Color:
BLACK
Part No.::
07011-00068
Part Name::
SEAL LIP
Model:
D80A-12
Machine:
Bulldozer
Material:
PU
Color:
BLACK
Product Description

1. Quick Details of  seal 07011-00068:

Part NO. 07011-00068
Machine Bulldozer
Size OEM
Material PU
Oil seal type SEAL ;OIL

2. 07011-00068  parts on group :

07011-00068 0701100068 HNBR PU FKM Carbon Filled PTFE Multi-Material Composite Oil Seal Kit for Bulldozer Transmission Travel Steering Combined Valve Complete Overhaul Servicing  D80A-12 0

NO. PART NO. PRAT NAME QTY
1 154-03-02030 GUARD AND NET ASSEMBLY 1
2 154-03-02040 GUARD AND NET ASSEMBLY 1
3 154-03-12560 GUARD 1
4 154-03-12510 NET 1
5 154-03-12590 NET 1
6 154-03-12530 NET 1
7 154-03-12580 NET 1
8 154-03-12520 NET 1
9 01605-01226 WASHER 5
10 01010-31225 BOLT 5
11 154-03-12551 PLATE 1
12 01605-01220 WASHER 2
13 01605-01220 WASHER 1
14 01010-31220 BOLT 2
15 01010-31225 BOLT 1
16 01580-01210 NUT 1
17 01605-01220 WASHER 1
18 01010-31220 BOLT 1
19 154-03-12570 DRUM 1
20 600-613-0789 FAN 1
21 154-03-11850 LOCK 1
22 154-03-11860 GASKET 1
23 154-03-00800 SHIM ASSEMBLY 1
24 154-03-11880 SHIM¤ 1.0MM 3
25 154-03-11890 SHIM¤ 0.5MM 3
26 07011-00068 SEAL 1

 

3. 07011-00068  picture:

07011-00068 0701100068 HNBR PU FKM Carbon Filled PTFE Multi-Material Composite Oil Seal Kit for Bulldozer Transmission Travel Steering Combined Valve Complete Overhaul Servicing  D80A-12 1
4. Service part number :

PART NO. PART NO. Part NO.
707-98-54500 707-98-54500 707-99-43540
707-98-25910 707-98-36700 707-98-56610
707-98-25920 707-99-44290 707-51-11690
707-51-85650 707-99-44310 707-51-12630
707-51-90630 707-99-44340 707-51-12640
707-51-90640 707-99-44380 707-51-12650
707-51-90650 707-99-45040 707-44-10911
707-99-45250 707-99-64040 707-99-77140
707-99-45310 707-99-64050 707-99-77160
707-99-46030 707-99-64080 707-99-77190
707-99-46120 707-99-64120 707-99-77220
707-99-46130 707-99-64130 707-99-77240
707-99-46200 707-99-64150 707-99-77250
707-99-46210 707-99-64152 707-99-77300
707-99-46270 707-99-64180 707-99-77380

 

5. FAQ

Q: What unique core advantages does this four-material matched sealing structure have for bulldozer dual travel steering compound valve compared with ordinary single NBR seal kits?
A: The bulldozer dual travel steering compound control valve runs under long-term dual-circuit cross alternating pressure cycles every day, constantly impacted by instantaneous cross pressure surges generated by simultaneous pushing and steering operations, long-term soaking in high-temperature transmission oil mixed with metal abrasive debris, and year-round erosion of condensed water vapor and fine sludge inside the closed valve cavity. HNBR dual-circuit main spool and piston seals have far better low-temperature softness and anti-cross-circuit alternating pressure oil aging performance than ordinary NBR rubber; they will not harden, crack or lose uniform radial pre-tightening elasticity under cold plateau winter construction with frequent cold start compound pushing and turning operations. Wide flat oval PU buffer rings absorb instantaneous cross-circuit pressure spikes produced by synchronous travel and steering linkage, preventing symmetrical bidirectional cyclic lip thinning and micro eccentric abrasion damage on double-lip spool sealing edges after millions of compound operation adjustment cycles. FKM thick static O-rings maintain stable long-term static sealing tightness under long-duration high-temperature transmission oil circulation during non-stop all-day heavy pushing work. Carbon filled PTFE medium clearance backup rings have balanced bidirectional cross-circuit wear resistance and medium gap anti-extrusion capacity, effectively preventing main spool seals from being squeezed into moderate gaps between dual-circuit shuttle spool and valve body under synchronous travel steering peak pressure. This four-material combination forms a dual-circuit linkage anti-cross-impact multi-layer interlocking stable travel sealing protection system, extending the overall service life of this oil seal kit by more than 64% compared with traditional single rubber seal kits.


Q: What obvious color and structural appearance differences help maintenance workers quickly distinguish each precision sealing part inside this compound travel steering valve oil seal kit?
A: HNBR dual travel steering shuttle spool and balance piston main seals are matte jet black with symmetrical double-lip bidirectional cross dynamic sealing structure, the contact lip surface adopts nano mirror ultra-precision polishing without tiny burrs or cross-circuit cyclic abrasion scratches formed by frequent compound operation. Wide flat oval PU dual-circuit cross pressure buffer rings are light apricot yellow with exclusive wide flat oval shock absorption outline, which can be easily distinguished from slim trapezoidal, slim oval and slim arched PU buffer rings used on lubrication valves, pilot pressure valves and clutch feed valves. FKM medium thick static O-rings are dark coffee brown with thick uniform circular cross-section, no shrinkage or permanent micro deformation after long-term cross-circuit alternating high-temperature oil soaking storage. Carbon filled PTFE medium clearance anti-extrusion rings are off-white with evenly distributed tiny black carbon particles on flat surface, easy to tell apart from light gray graphite filled PTFE rings used on narrow gap miniature pilot valve assemblies. The medium duty double-layer dust wiper ring is medium thick black composite structure with two scraping lips; the outer thick lip blocks large metal friction debris mixed in transmission oil, and the inner fine lip stops tiny abrasive sludge from entering dual-circuit cross spool gaps. Each accessory is printed with clear dimension marks matching the dual travel steering compound valve for fast sorting and assembly on construction sites.


Q: What wide temperature range and dual-circuit synchronous travel steering alternating cyclic pressure hydraulic working conditions can this four-material composite oil seal kit withstand for long-term stable continuous work?
A: This integrated full set oil seal kit can stably bear long-term average dual-circuit combined working pressure up to 480 bar, and resist repeated instantaneous synchronous travel steering bidirectional peak impact pressure up to 550 bar without sealing extrusion failure. HNBR and PU accessories maintain stable elastic recovery and bidirectional cross-circuit cyclic sealing performance within -38°C ~ +122°C, fully adapting to frozen mountain slope frequent curve compound grading in winter and high-temperature continuous long-distance heavy pushing operation in summer. FKM thick O-rings can work reliably within -26°C ~ +148°C, perfectly adapting to ultra-high-temperature cross-circuit alternating pressure transmission oil circulation environment of non-stop open pit mine stockpile construction. Carbon filled PTFE medium clearance backup rings will not soften or deform after millions of intermittent bidirectional cross spool sliding friction and frequent large range cold-hot temperature changes, keeping consistent leakage prevention protection performance in all seasonal contour construction environments.

6. Exhibition and Wearhous

14X-13-05110  14X1305110 SERVICE KIT,TORQUE CONVERTER FOR KOMATSU D65EX-12E,D65A-12 1

14X-13-05110  14X1305110 SERVICE KIT,TORQUE CONVERTER FOR KOMATSU D65EX-12E,D65A-12 2

 

14X-13-05110  14X1305110 SERVICE KIT,TORQUE CONVERTER FOR KOMATSU D65EX-12E,D65A-12 3

 

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