Part Name: Joint Spider 7H3958
Part Number: 7H3958
Basic Info.
| Parts no. | 7H3958 | Material | steel |
| Type | Joint Spider | Parts Type | Engineering machinery parts |
| Compatibility | Caterpillar | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Date First Listed：2026/01/26
- Manufacturer：Diron Parts
Product Description
- Parts Type：SpiJoint Spider
- Description: Joint Spider 7H3958 Suitable for Caterpillar
The 7H-3958 is a heavy-duty aftermarket joint spider (universal joint cross) designed for driveline assemblies on Caterpillar® wheel loaders, track-type tractors, and off-highway trucks. This precision-machined component transmits torque while accommodating angular misalignment between connected shafts, ensuring smooth power delivery and reliable operation in demanding construction, mining, and industrial applications.
Key Features & Benefits
- Precision-machined cross and bearing cups for smooth, vibration-free rotation
- High load capacity and excellent fatigue resistance for high-torque drivelines
- Sealed needle bearings with grease zerk for easy lubrication and extended service life
- Direct bolt-on fit with exact OEM dimensions and spline configuration
- 100 % inspected for dimensional accuracy, balance, and surface finish
- Proven reliability in high-hour driveline rebuilds
Common Applications (Caterpillar® Compatibility)
- Wheel Loaders: 966C, 966D, 966E, 970F, 980B, 980C
- Track-Type Tractors: D6D, D6E, D7F, D7G, D8K
- Off-Highway Trucks: 769C, 773B
- Position: Driveshaft universal joint spider (front or rear driveline sections)
- Quantity per machine: Multiple (typically 2–4 depending on driveline configuration)
Technical Specifications
- Part Number Reference: 7H-3958
- Type: Universal joint spider (cross) assembly
- Bearing Cup Diameter: 1.188 in (30.18 mm)
- Spider Length (tip-to-tip): 3.625 in (92.08 mm)
- Snap Ring Dimension: 3.219 in (81.76 mm) across
- Weight: ≈ 0.9 kg (2.0 lb)
Important Note:
- We only provide replacement products intended for aftermarket use in the Caterpillar machinery listed above. The brand name Caterpillar is used solely as reference information to indicate compatibility and does not imply that our products are OEM.
- While this description provides general information, specific details such as size, weight and exact material may vary by manufacturer and specific application. To obtain the most accurate and up-to-date information, it is recommended to consult a qualified parts supplier such as DIRON PARTS.
FAQ
Q1. What is your terms of packing?
A: Generally, we pack our goods in neutral white boxes and brown cartons. If you have legally registered patent, we can pack the goods in your branded boxes after getting your authorization letters.
Q2. What is your terms of payment?
A: T/T 30% as deposit, and 70% before delivery. We'll show you the photos of the products and packages before you pay the balance.
Q3. What is your terms of delivery?
A: FOB
Q4. How about your delivery time?
A: Generally, it will take 20 to 30 days after receiving your advance payment. The specific delivery time depends on the items and the quantity of your order.
Q5. 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.
Q6. 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.
Q7. Do you test all your goods before delivery?
A: Yes, we have 100% test before delivery
Q8. How do you make our business long-term and good relationship?
A:1. We keep good quality and competitive price to ensure our customers benefit ;
2. We respect every customer as our friend and we sincerely do business and make friends with them, no matter where they come from
ABOUT DIRON
- Factory OF DIRON
Diron Parts Group Have Its Own Factory Ensure That We Offer Better Price For Customers. Besides, Diron Corporate With Some Reliable Principal Manufacturers, So Diron Also Supply Customer Other Quality Spare Parts.
- Team OF DIRON
With 18 years of manufacturing and exporting experience, Diron has a team of knowledgeable engineers, inspectors and technical workers, sales staff, after-sales personnel.
- Products OF DIRON
As a distributor, we supply parts covers for :Complete engines, Long block, Short block, Engine spare parts, Electricla products, Hydraulic products, Transmission products, Undercarridge products.Among them, Cylinder head, Cylinder block, Spacer-plate, Bushing & Pin are our best-selling products.
