705-40-01020 7054001020 Pump Assy Fits Komatsu Bulldozers Wheel Loaders D20A D20P D20PL D20PLL D20Q D20S D21A D21P D21PL D21Q D21S WA380 WA380Z WA400 WA430 WA450 WA470 WA480

A gear pump is a versatile type of positive displacement pump widely used in various industries. It operates on the principle of interlocking cogs or gears to move fluid and create pressure. This mechanical pumping action enables the transfer of a fixed volume of fluid with each revolution of the gears.

The core components of a gear pump are two meshing gears, typically of equal size, housed within a casing. One gear is the driving gear, usually connected to a motor or an engine, while the other gear is the driven gear. As the driving gear rotates, it engages with the teeth of the driven gear, creating chambers or voids between the gear teeth.

As the gears rotate, fluid is drawn into the pump through an inlet port, filling the expanding chambers between the gear teeth. The meshing of the gears prevents the fluid from flowing back to the inlet side. Instead, the fluid is carried by the rotating gears to the discharge side of the pump.

The cyclic motion of the gears continuously traps and transports fluid, causing a smooth and consistent flow. This results in a pulse-free delivery of fluid, which is advantageous in appliC-A-Tions that require a steady supply of fluid, such as lubriC-A-Tion systems, hydraulic systems, and fuel transfer.

The flow rate of a gear pump is directly proportional to the rotational speed of its gears. Increasing the rotational speed increases the volume of fluid displaced per unit of time, resulting in a higher flow rate. The precise control of the rotational speed allows for adjustable flow rates to meet specific appliC-A-Tion requirements.

Gear pumps are known for their simplicity, durability, and efficiency. They can handle a wide range of fluids, including viscous liquids and abrasive materials. However, they may not be suitable for handling fluids with high viscosity variations or fluids containing solids that can cause excessive wear on the gears.

In summary, gear pumps are positive displacement pumps that utilize interlocking gears to mechanically transfer fluid. They provide a smooth, pulse-free flow proportional to the rotational speed of the gears. With their reliability and versatility, gear pumps are widely used in various industrial appliC-A-Tions requiring efficient fluid transfer and pressure generation.

We Also Supply:

1. Boom cylinder seal kit

2. Arm cylinder seal kit

3. Bucket cylinder seal kit

4. Blade cylinder seal kit

5. Hydraulic seal kit/Main pump seal kit

6. Regulator seal kit

7. Swing motor seal kit

8. Travel motor seal kit

9. Center joint seal kit

10. Control valve seal kit

11. Track adjuster seal kit

12. Piolve valve seal kit/PPC valve seal kit

13. Foot valve seal kit/PPC travel

14. Pilot pump seal kit

15. Hammer seal kit/Hydraulic breaker seal kit

16. Crankshaft front oil seal

17. Crankshaft rear oil seal

18. Blade lift cylinder kit

19. Blade tilt cylinder kit

20. Blade steering cylinder kit

Our Main Product Lines Applied to All Excavator Brand And Models, Partially Listed As Below:

KOMATSU

PC50UU, PC28UG, PC40, PC50UG, PC56, PC60, PC75, PC100, PC120, PC128UU, PC75UU, PC130, PC55MR, PC210-8, PC60-8, PC110-7, PC130-7, PC160LC-7, PC200-8, PC200LC-8, PC210LC-8, PC220-8, PC240LC-8, PC270-8, PC300-7, PC360-7, PC400-8, PC450-8

HITACHI

EX40, EX60, EX150, EX100M, EX100-2/3/5, EX120-3/5/6, EX150, EX200-1-2-3, EX220-3/5/6,
EX240, EX270, EX300-1/3/5/6, EX330, EX320-3, EX350, EX360, EX400-1/2/3/5/6, UH08, UH07, ZX55, ZX70, ZX100-1/2, ZX200, ZX210, ZX230-5, ZX240, ZX330, ZX360

C-A-T

E110B, E200B (E320), E240 (MS180), E300B, E330, D3C, D5, D5B, D5D, D6C, D6D, D6H, D7G, D8K

DAEWOO

DH220, DH280, DH55-5, DH60-7, DH80GOLD, DH80-7, DH130-2, SOLARS130, DH220-2/3/5, DH200, DH225-7, DH280-3, DH258, DH215-9, DH225LC-9, DH320, DH320-2/3, DH300LC-7, DH420LC-7

HYUNDAI

R55-7, R55-7S, R60-7/9, R110-7, R80-7, R130LC-5, R150W-7, R150LC-7, R190LC-5, R200, R215-7, R210, R225LC-9T, R245-7, R225LC-7, R260LC-7, R265LC-7, R275LC-9T, R305LC-9T, R305LC-7, R335LC-7, R370LC-7, R385LC-9T

KATO

HD140, HD250, HD400 (HD450), HD500, HD550, HD700 (HD770), HD800, HD820, HD850, DH880, HD1020, HD1220 (HD1250), HD1430, DH1880

Parts on group :