This is one of the best Chinese suppliers I have ever worked with. I don't need to worry about any problems after the order. I just need to wait for my goods to arrive and then check if they are damaged in transit.
    I bought a batch of goods before, and one of them was damaged. I'm really pleased with the after-sales attitude. Jaylin re-sent it to me immediately. I'm quite satisfied with that
    Muy profesional, entrega también es muy rápido
Contact Person : Jaylin
Phone Number : 86-13316114120
Whatsapp : +8613316114120

Hitachi Final Drive Cover 2045031

Place of Origin Guangdong, China
Brand Name Weiyou
Model Number EX300-5 ZX330-1 ZX330-6
Minimum Order Quantity 1 Piece
Price dollar 40~90 piece
Packaging Details Standard Wooden Box for heavy parts, Strong carton for general parts, all packed with packing film
Delivery Time 5-8 work days
Payment Terms T/T,Master card,Alipay...etc.
Supply Ability 10+piece+1 day

Contact me for free samples and coupons.

Whatsapp:0086 18588475571

Wechat: 0086 18588475571

Skype: sales10@aixton.com

If you have any concern, we provide 24-hour online help.

Product Details
Other Name Travel Gearbox Cover Apply To Excavator
Gearing Arrangement Planetary Model EX300-5, ZX330-1, ZX330-6
Part Number 2038904, 2045031 Pump Number HMGF57AA(HMV145), HMGF73AA
Hole 16 Holes Material Steel
Colour Black, Customizable Compatible Brand Hitachi, Other
High Light

Hitachi EX300-5 Final Drive Cover


Final Drive Cover 2038904



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Product Description

Final Travel Gearbox Cover EX300-5 ZX330-1 ZX330-6 Travel Gearbox Cover Travel Motor Cover 2038904 2045031​


  The traveling cover is used to connect the traveling ring gear in the traveling gear box of a crawler excavator.Its function is to seal oil.Generally, there are 1-3 oil drain holes above the outer cover to replace the gear oil in the maintenance gearbox.
  The part number of the EX300-5 walking cover are 2038904 / 2045031. The pump number is HMGF57AA(HMV145), HMGF73AA. The process used is cast iron. The number of holes is 16.



Product Name:  Travel reduction gearbox parts for EX300-5 final travel gearbox cover
Applicable Industries:  Manufacturing Plant, Machinery Repair Shops, Other
Place of Origin:  Guangdong, China
Application:  Replacement
Machine Model:  EX300-5, ZX330-1, ZX330-6
Part Number:  2038904, 2045031
Pump Number:  HMGF57AA(HMV145), HMGF73AA
Hole:  16 Holes
Compatible Brand:  For HITACHI
Warranty:  1 year
Packing:  Wooden Case
MOQ:  1 Piece
Quality:  High-Quality
Customized support:  OEM
Brand Name:  Weiyou
Product name:  Gearbox Cover
Material:  Cast Iron
Payment:  T/T,Master card,Alipay...etc.
Delivery time:  4 days since getting the payment,not the customized item
Processing:  Casting



EX300-5 Final Travel Gearbox Cover Pictures:


Hitachi Final Drive Cover 2045031 0



We Can Provide Other Parts:


Hitachi Final Drive Cover 2045031 1



Parts On Group EX300-5 Travel Device:


Pos. Part No Qty Parts name Comments
43 2038904 [1] COVER  
44 4277474 [1] PIN;STOPPER  
45 4278168 [1] BRG.;BALL  
46 930451 [1] RING;RETAINING  
47 J011230 [16] BOLT;SEMS  
48 4245797 [3] PLUG  
50 4269473 [1] O-RING  
51 4287213 [4] WASHER;SPRING  
52 M341885 [4] BOLT;SOCKET  
54 3053559 [1] NAME-PLATE  
55 M492564 [2] SCREW;DRIVE  




  • We are the manufacturer and own 20000 ㎡ factory areas, good relationship with material suppliers, which make more competitive price and steady quality.
  • We have more than 120 units advanced facilities for production.
  • We have 16 senior engineers with more than 30 years experience on designing and machining.
  • Our sales term offer the efficient service for every customers.
  • We develop spare parts for old and new excavator models, and submit our latest products to customers every month so that to meet the market demand.
  • We have high market share in Oversea market and Domestic market, Southeast Asia 60%, Russia 10%, Middle East 8%, North and South America 10%,Europe 8%, others 4%.




Q1. What is your terms of delivery?
A:Sea, Air, Express

Q2. How about your delivery time?
A: Generally, it will take within 25 hours after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.

Q3. Can you produce according to the samples?
A: Yes, we can produce by your samples or technical drawings. We can build the molds and fixtures.

Q4. What is your sample policy?
A: We can supply the sample if we have ready parts in stock, but the customers have to pay the sample cost and the courier cost.


Q5. How to pay for the order?
A: We can pay by wire transfer, Alipay (small), Alibaba trade guarantee and so on.


Q6. What are your main products?
A: We specialize in the production of excavator accessories, such as walking motor gearbox / assembly / parts, rotary gearbox / assembly / motor / parts, hydraulic pump assembly / parts, gear parts. If you need other excavator accessories, we can also supply according to your requirements.