Kawasaki K3V112S-1NCJ-12T Replacement Hydraulic Pump

K3V112S-1NCJ-12T hydraulic pump for excavator replacement and conversion projects. This aftermarket single axial piston pump uses a 12-tooth shaft reference. Supplier application references include Hitachi EX100-2 / EX100-3, EX120-2 / EX120-3 and Komatsu PC120-6.

K3V112S-1NCJ-12T hydraulic pump for excavator replacement and conversion projects. This aftermarket single axial piston pump uses a 12-tooth shaft reference. Supplier application references include Hitachi EX100-2 / EX100-3, EX120-2 / EX120-3 and Komatsu PC120-6.

K3V112S-1NCJ-12T Configuration

Model referenceK3V112S-1NCJ-12T
Pump arrangementSingle axial piston pump
Supply typeAftermarket replacement complete pump
Application referencesHitachi EX100-2, EX100-3, EX120-2, EX120-3; Komatsu PC120-6 — replacement/conversion references
Shaft reference12-tooth spline (12T), supplier reference
Code format1NCJ / 12T is aftermarket supplier notation; confirm the complete nameplate

Replacement and Conversion Checks

The 1NCJ / 12T designation is a supplier configuration reference, not a claim that these machines originally used the same Kawasaki pump. Check the existing pump model and any previous conversion before choosing an assembly.

Confirm the 12-tooth shaft dimensions, coupling, mounting, regulator signal and port arrangement. A conversion may require additional installation work; this listing does not promise a bolt-on replacement.

Request Price and Lead Time

Send your full pump model or part number and quantity for price and delivery. A nameplate photo is helpful if the code is unclear. Send your pump reference for a quote.

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