CAT D7R Bulldozer Parts Hydraulic Piston Pump 299-5790
The 299-5790 hydraulic piston pump provides consistent pressure and flow for the working and steering systems of the Caterpillar D7R bulldozer.
| Model Number | K3V112 |
|---|---|
| Packaging Details | Wooden case |
| Material | Casting Iron + Steel |
Quick Quote Request
Kinton Parts is trusted by professionals worldwide for delivering high-quality parts for excavators, bulldozers, and other construction machinery—with guaranteed performance and durability.
The hydraulic piston pump is the heart of the CAT D7R’s hydraulic system, supplying the oil flow and pressure required for blade control, steering, and auxiliary functions. Model 299-5790 is designed to operate under the high load cycles typical of large bulldozers, where steady output and fast response are essential for efficient material handling.
This pump converts mechanical power from the engine into hydraulic energy with high volumetric efficiency, ensuring smooth, predictable machine movement even when pushing heavy loads or working on slopes.
Stable Output Under Heavy Load
Bulldozers like the D7R experience frequent changes in resistance as the blade meets different ground conditions. The 299-5790 piston pump is engineered to maintain stable pressure and flow even during sudden load spikes, preventing jerky blade motion or steering lag.
Consistent hydraulic output allows operators to keep precise control of the machine, improving grading accuracy and reducing operator fatigue during long working hours.
High-Efficiency Piston Design
This pump uses a precision-machined piston and cylinder block system that minimizes internal leakage and energy loss. Efficient oil delivery not only improves the response of the hydraulic circuits but also reduces heat buildup, helping keep the overall system within a safe operating temperature range.
Lower heat generation means longer oil life and reduced wear on seals, hoses, and valves throughout the machine.
Built for Continuous Duty Cycles
The D7R is often used in applications such as mining, road construction, and heavy earthmoving where the machine runs for extended periods under high load. The 299-5790 pump is designed for continuous-duty operation, with internal components selected for fatigue resistance and dimensional stability.
This allows the pump to maintain its performance characteristics over long service intervals, even when exposed to high pressure and frequent pressure fluctuations.
Reliable Integration with CAT Hydraulic Systems
The pump is matched to the flow and pressure requirements of the CAT D7R hydraulic system, ensuring compatibility with control valves, cylinders, and steering components. Proper system matching helps avoid pressure instability, cavitation, and unnecessary stress on downstream components.
A well-balanced hydraulic circuit results in smoother machine operation and more predictable control in demanding working conditions.
Supporting Long-Term Machine Performance
A dependable piston pump is critical to keeping the D7R productive and responsive. By delivering steady hydraulic power with minimal efficiency loss, the 299-5790 pump helps protect the entire hydraulic system from excessive wear, reduces the risk of unplanned downtime, and supports consistent performance across the machine’s working life.
SHIPPING & DELIVERY
At Kinton Parts, we ensure reliable, worldwide shipping of parts for excavators, bulldozers, and a full range of construction machines—safe, fast, and secure.
All products are securely packed using high-quality export cartons, reinforced wooden cases, or industry-standard palletized packaging to ensure maximum protection during transit and smooth handling during unloading.
Standard orders are typically shipped within 3–5 working days, while large or customized orders are usually dispatched within 7–20 days, depending on volume and production requirements.
We offer flexible global shipping options, including:
- International sea freight for cost-effective bulk transport
- Air freight for urgent orders
- Courier delivery (DHL, FedEx, UPS) for small-volume or sample shipments
Our logistics team manages every shipment carefully, providing real-time updates and tracking information until your order arrives safely at your destination.
Need assistance choosing the best shipping method for your location and timeline? Contact our team — we’ll help you plan a smooth delivery experience.
FAQ
Q: What are your main products?
A: We supply a full range of undercarriage and wear parts for excavators, bulldozers, and other heavy equipment. Our product line includes: Track rollers, carrier rollers, front idlers, sprockets, segments, track shoes, track chains, bolt and nuts, pins and bushings, bucket teeth and adaptors, filters, seal kits, swing bearing, and hydraulic cylinder—plus other essential replacement parts.
Q: Which countries do you export to?
A: Kinton Parts exports to over 60 countries worldwide, including:
USA, Canada, UK, Germany, Russia, UAE, Indonesia, Malaysia, Thailand, India, Pakistan, Bangladesh, Sri Lanka, South Africa, Colombia, Peru, and many others.
Q: Can I order a sample?
A: Yes, we accept trial orders. For parts in stock, samples can be shipped quickly. If you have technical drawings or existing samples, we also support customized production and mold development.
Q: How can I track my order after shipping?
A: Once your order is shipped, we will provide you with all necessary tracking information based on the shipping method. For express deliveries, you’ll receive a tracking number to follow the shipment online. For air or sea freight, we’ll send you the relevant documents such as the airway bill (AWB) or bill of lading (B/L), along with the packing list and commercial invoice to help with tracking and customs clearance.
Quick Quote Request
Trusted by professionals worldwide, Kinton Parts supplies premium-quality components for excavators, bulldozers, and more—with reliable quality you can count on.
