Part Name: Hydraulic Gear Pump 1U1779
Part Number: 1U1779
Basic Info.
| Parts no. | 1U1779 | Material | steel |
| Type | Hydraulic Gear Pump | Parts Type | Engine Parts |
| Compatibility | Caterpillar | Transport Package | Wooden box |
| Trademark | DIRON | Origin | Luoyang City |
| HS Code | 84099991 | Production Capacity | 5000PCS/Year |
Product Details
- Item Model：1U1779
- Date First Listed：2026/01/19
- Manufacturer：Diron Parts
Product Description
- Part Number: 1U1779
- Part Type：Hydraulic Pumps
- Description: Hydraulic Gear Pump 1U1779 for Caterpillar
The 1U-1779 is a high-performance aftermarket hydraulic gear pump engineered for Caterpillar® medium wheel loaders and track-type tractors. This reliable unit provides consistent hydraulic flow and pressure for implement, steering, and auxiliary systems, ensuring smooth operation and responsive control in demanding construction, quarrying, and earthmoving applications.
Key Features & Benefits
- High-volume gear design delivers strong, steady flow at rated engine RPM
- Precision-machined gears and housing for minimal internal leakage
- Built-in relief valve for system protection against over-pressure
- Direct bolt-on mounting pattern matching factory configuration
- 100 % bench-tested for flow rate, pressure output, and zero external leakage
- Proven reliability in high-hour machine operations
Common Applications (Caterpillar® Compatibility)
- Wheel Loaders: – 950B, 966C, 966D, 966E – 980B, 980C, 980F
- Track-Type Tractors: – D6D, D7G
- Typical functions: – Main implement hydraulic pump – Steering system supply – Auxiliary circuit power
Technical Specifications
- Part Number Reference: 1U-1779
- Type: Fixed displacement gear pump
- Displacement: ≈ 100 cc/rev
- Rated Pressure: 210 bar (3,050 psi)
- Maximum Pressure: 250 bar (3,625 psi)
- Flow Rate: ≈ 200 L/min at 2,000 RPM
- Rotation: Clockwise
- Mounting: SAE 2-bolt flange
- Weight: ≈ 28 kg (62 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.
- Note: 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.
