1725637 Pump Gp-Piston Fits Caterpillar Models
1725637 Pump Gp-Piston Fits Caterpillar Models
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One New Aftermarket Replacement Piston Pump (Pump Gp-Piston) for Caterpillar (Cat) Track-Type Tractor D11R
This aftermarket replacement axial piston pump (variable displacement) services the hydraulic system on the Caterpillar D11R track-type tractor (Carrydozer). It is a direct replacement for Caterpillar part number 172-5637 / 1725637 and is also available as a Bosch Rexroth interchange unit (10R-0552). The D11R Carrydozer relies on this pump to maintain hydraulic pressure for blade lift, tilt, and other implement functions powered by the 3508B engine.
Specifications
- Type: Axial Piston Pump, Variable Displacement
- Weight: Approx. 87.9 - 88.0 lbs
- Dimensions: Approx. 15.5 x 14.8 x 9.6 in
Compatible Models
Caterpillar Track-Type Tractor: D11R (Carrydozer) - S/N AAF00001-UP, powered by 3508B Engine
Note: Serial number restriction applies - verify your machine serial number before ordering. This pump is confirmed for D11R units S/N AAF00001-UP. Also reported compatible with D11T; verify via part number match before ordering.
Replaces Part Number(s):
172-5637, 1725637
Aftermarket Interchange Numbers
10R-0552 (Bosch Rexroth interchange), R986110073 (Bosch Rexroth)
New aftermarket replacement part - not remanufactured, not used.



