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Excavator Travel Gearbox
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R305-7 R290LC-7A Excavator Travel Gearbox 31N8-40072 31N8-40071BG
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Excavator Final Drive

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Excavator Swing Motor

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Excavator Seal Kit

Excavator Bearing

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Hydraulic Motor Parts
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R305-7 R290LC-7A Excavator Travel Gearbox 31N8-40072 31N8-40071BG
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R305-7 R290LC-7A Excavator Travel Gearbox 31N8-40072 31N8-40071BG

Brand Name: TGFQ
Model Number: R305-7 R290LC-7A R335-9
MOQ: 1
Price: 500.00-1000.00USD
Packaging Details: NNER PACKING: Wrap by plastic film, clear label for each item. OUTER PACKING: Carton or Plywood Case PACKING SIZE: Depend on packing type
Payment Terms: L/C,T/T,D/P,D/A
Detail Information
Product Description
Detail Information
Place of Origin:
CHINA
Product Name:
Excavator Travel Gearbox
Model:
R305-7 R335-7 R320-7
Part Number:
31N8-40072 / 31N8-40071BG / 31N8-40070
Outer Packing:
Wooden Case
Port:
Huangpu Or As Request
Supply Ability:
500 pcs / month
Highlight:

R290LC-7A Excavator Travel Gearbox

,

R305-7 Excavator Travel Gearbox

,

31N8-40071BG Excavator Travel Gearbox

Product Description
R305-7 R290LC-7A Excavator Travel Gearbox 31N8-40072 31N8-40071BG
TGFQ R305-7 R290LC-7A 31N8-40072 / 31N8-40071BG Excavator Travel Gearbox
Product Specifications
Application Crawler Excavator Final Drive
Place of Origin Guangzhou
Compatible Models R305-7 R290LC-7A R335-9
Part Numbers 31N8-40072 / 31N8-40071BG / 31N8-40070
Motor 33TM1731010173
Motor Number DNB50
Size 18/26 Holes
Condition New
Product Images
Hyundai excavator travel gearbox front view Hyundai excavator travel gearbox side view Hyundai excavator travel gearbox internal components Hyundai excavator travel gearbox assembly
Part Drawing
Technical drawing of travel reduction gear assembly
Travel Reduction Gear Parts List
Position Part Number Quantity Part Name
*-2. 31N8-40070 [1] T/REDUCTION GEAR
*-2. 31N8-40071 [1] T/REDUCTION GEAR
*-2. 31N8-40071BG [1] T/REDUCTION GEAR
*-2. 31N8-40072 [1] T/REDUCTION GEAR
*-2. 31N8-40073 [1] T/REDUCTION GEAR
2 XKAQ-00173 [1] SEAL-FLOATING
2 XKAQ-00803 [1] SEAL-FLOATING
3 XKAQ-00174 [1] HOUSING
3 XKAQ-00802 [1] HOUSING
4 XKAQ-00175 [2] BEARING-ANGULAR
4 XKAQ-00175-AS [2] BEARING-ANGULAR
5 XKAQ-00176 [1] SHIM
5 XKAQ-00992 [1] SHIM
5 XKAQ-00993 [1] SHIM
5 XKAQ-00994 [1] SHIM
5 XKAQ-00995 [1] SHIM
6 XKAQ-00177 [1] RETAINER
7 XKAQ-00178 [17] BOLT-WRENCH
8 XKAQ-00179 [1] CARRIER ASSY-NO.3
8 XKAQ-00398 [1] CARRIER 3 ASSY
8-1. XKAQ-00180 [1] CARRIER-NO.3
8-1. XKAQ-00396 [1] CARRIER 3
8-2. XKAQ-00181 [4] GEAR-PLANETARY NO.3
8-2. XKAQ-00389 [4] GEAR 3-PLANETARY
8-3. XKAQ-00182 [72] NEEDLE-NO.3
8-3. XKAQ-00390 [72] NEEDLE 3
8-4. XKAQ-00183 [8] WASHER-THRUST NO.3
8-4. XKAQ-00391 [8] WASHER 3-THRUST
8-5. XKAQ-00184 [4] PIN 3
8-6. XKAQ-00185 [4] PIN 3-SPRING
8-7. XKAQ-00186 [1] GEAR 3-SUN
8-8. XKAQ-00187 [1] RING 3-SNAP
8-9. XKAQ-00651 [4] PIN 3-SPRING
9 XKAQ-00188 [1] CARRIER ASSY-NO.2
9 XKAQ-00399 [1] CARRIER ASSY 2
9-1. XKAQ-00189 [1] CARRIER-NO.2
9-1. XKAQ-00397 [1] CARRIER 2
9-2. XKAQ-00190 [3] GEAR-PLANETARY NO.2
9-2. XKAQ-00392 [3] GEAR 2-PLANETERY
9-3. XKAQ-00191 [45] NEEDLE-NO.2
9-3. XKAQ-00393 [45] NEEDLE 2
9-4. XKAQ-00192 [6] WASHER-THRUST NO.2
9-4. XKAQ-00394 [6] WASHER 2-THRUST
9-5. XKAQ-00193 [3] PIN 2
9-6. XKAQ-00194 [6] PIN 2-SPRING
9-7. XKAQ-00195 [1] GEAR 2-SUN
9-8. XKAQ-00196 [1] RING 2-SNAP
9-9. XKAQ-00650 [6] PIN 2-SRPING
10 XKAQ-00197 [1] CARRIER ASSY-NO.1
10 XKAQ-00400 [1] CARRIER 1 ASSY
10-1. XKAQ-00198 [1] CARRIER 1
10-2. XKAQ-00199 [3] GEAR 1-PLANETARY
10-3. XKAQ-00200 [3] BEARING-NEEDLE
10-4. XKAQ-00201 [6] WASHER-THRUST NO.1
10-4. XKAQ-00395 [6] WASHER 1-THRUST
10-5. XKAQ-00202 [3] PIN 1
11 XKAQ-00203 [1] GEAR 1-SUN
12 XKAQ-00204 [3] PLUG
13 XKAQ-00205 [4] PIN-LOCK
14 XKAQ-00206 [1] GEAR-RING
14 XKAQ-00762 [1] GEAR-RING
15 XKAQ-00207 [24] BOLT-WRENCH
16 XKAQ-00208 [1] RING-THRUST
17 XKAQ-00209 [1] COVER
18 XKAQ-00210 [1] RING 2-THRUST
19 XKAQ-00211 [16] BOLT-WRENCH
20 XKAQ-00212 [1] MOTOR-RING
21 XKAQ-00213 [1] RING 3-THRUST
22 XKAQ-00214 [1] PAD
23 XKAQ-00215 [1] COUPLING
N. @ [1] NOT SUPPLIED PARTS
Compatible Equipment Brands & Models
Additional excavator gearbox component view Excavator travel gearbox manufacturing process Quality inspection of travel gearbox components
Our Stock & Warehouse Capacity
We maintain over 4000 square meters of three-dimensional warehouse space and an additional 2000 square meters of outdoor warehouse facilities.
This extensive storage capacity ensures we maintain sufficient inventory levels and can respond rapidly to customer requirements. Fast delivery is one of our key competitive advantages.
Our modern warehouse facility with extensive storage capacity Organized inventory management system for excavator parts
Frequently Asked Questions
Q: What products and services do you provide?
A: We specialize in providing excavator final drive motors, swing drive motors, reducer gearboxes, and their component parts.
Q: How long is your warranty period?
A: We offer a 6-month warranty. During this period, we provide maintenance spare parts free of charge for any warranty claims.
Q: Do you accept OEM or ODM orders?
A: Yes, we welcome OEM and ODM partnerships. Simply provide your logo files or design specifications.
Q: Can I order a sample for testing before placing a larger order?
A: Absolutely! We encourage customers to test our samples to verify quality and compatibility.
Q: How do I place an order?
A: Please provide the model numbers and quantities you're interested in. We will then issue a proforma invoice. Once payment is received, we will prepare your order. Preparation time varies depending on order complexity and volume.
Q: Do you have your own manufacturing facility?
A: Yes, we operate our own factory with 23 years of specialized experience in the excavator gear manufacturing industry.
Tags: 

356mm Excavator Travel Gearbox  

Hitachi Excavator Travel Gearbox  

Zaxis200 Excavator Travel Gearbox

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