AP2D28 Mini Excavator Hydraulic Main Pump Assembly | Aftermarket Small Digger Hydraulic Spare Parts

AP2D28 hydraulic main pump assembly is core aftermarket hydraulic power component for mini small excavator construction machinery. All internal pistons, valve plates and seal kits are fully renewed and passed strict factory pressure & flow testing, stable hydraulic output for light and medium load operation, plug-and-play direct replacement without modification, cost-effective maintenance spare part for municipal, farm and small construction machinery repair shops worldwide.

• Municipal road reconstruction, small pipeline trenching and residential foundation excavation
• Farm land reclamation, orchard digging and rural irrigation water conservancy projects
• Hillside trimming, village road construction and small indoor foundation engineering
• Port yard ground leveling, logistics yard renovation and light bulk cargo loading operation
• Village foundation excavation and small civil engineering construction
• Urban greening construction, nursery land preparation and landscape trench digging

• Insufficient system pressure, slow whole machine movement caused by worn valve plate, piston and cylinder block internal leakage
• Pump abnormal overheating and metal knocking vibration, cavitation from clogged oil suction strainer
• Pump front shaft oil seal leakage, hydraulic oil leaking to engine compartment and continuous oil consumption
• Slow arm and bucket digging action, unstable flow output from worn internal hydraulic components
• Hydraulic pump cavitation noise, air mixed in oil circuit leading to pressure fluctuation and power drop
• Hydraulic system high temperature alarm, continuous operation leads to obvious power limitation

• Full remanufacturing process, all vulnerable hydraulic parts replaced with high wear-resistant precision accessories
• 100% factory bench pressure & flow testing before delivery to reduce on-site breakdown rate
• Standard original matching installation size, direct disassembly replacement without modification
• Support 1pc trial order and mass bulk wholesale for global mini excavator repair shops & distributors
• Shockproof export wooden case packaging to avoid pump part damage during long-distance sea transportation
• 6 months full factory quality warranty for all AP2D28 hydraulic main pump assemblies

• Model Number: AP2D28
• Product Type: Complete Hydraulic Main Pump Assembly
• Applicable Equipment: Mini Small Excavator Construction Machinery
• Condition: Brand New Aftermarket Replacement Hydraulic Spare Parts
• Supply Mode: China Factory Direct Wholesale Supply
• Warranty Period: 6 Months Factory Quality Warranty

A1: It fits municipal road construction, farm irrigation projects, hillside renovation, village engineering and small mining ground operation for mini excavator machinery.

A2: It solves pump low system pressure, whole machine slow movement, abnormal overheating, cavitation noise and front shaft oil leakage failure.

A3: Yes, this full hydraulic pump fully matches mini excavator installation dimensions for direct maintenance replacement.

A4: Yes, MOQ is 1 piece, sufficient factory stock for global mini excavator repair workshops and spare parts dealers.

A5: All AP2D28 hydraulic main pump assemblies enjoy 6 months official factory quality warranty.

A6: We supply full series excavator hydraulic spare parts: main pump, swing motor, travel motor, main control valve and diesel engine assembly.

Global mini excavator maintenance workshops and spare parts wholesalers are welcome to send inquiry for long-term stable factory supply. Send your equipment model number for free technical matching verification.