GRACO 25N678K - G-FORCE II 4040 KC-DD Pressure Washer, 4000 PSI, 4 GPM w/ Kohler Engine & CAT Pump

Specifications

• Max Working Pressure: 4000 PSI (27.6 MPa, 276 Bar)
• Flow Rate: 4.0 GPM
• Engine: Kohler
• Pump: CAT
• Drive System: Direct Drive

Compatible Equipment

• Direct-Drive pressure washer systems
• This model uses ENGINE GX270 (part 803900 - Engine, Gas, 9.0 HP, Hnda, 49 State), This model uses AR RSV series PUMP (part 177103)
• This model uses CAT or GPPX series pump (part 127383 - Pump, Cat, 66Dx40G11)
• This model uses FRAME base plate (part 127468 - Pressure Washer Base Plate Kit), This model uses 11 in. WHEEL/TIRE (part 16Y889)

Related Parts

• 25N634 - G-FORCE II 3325 HA-DD Pressure Washer, 3300 PSI, 2.5 GPM w/ Honda Engine & AR Pump
• 25N638
• 25N635 - G-FORCE II 3230 HA-DD Pressure Washer, 3200 PSI, 3 GPM w/ Honda Engine & AR Pump
• 25N639 - G-Force II 3230 HA-DD Pressure Washer, AR Brass Triplex pump, 3200 PSI
• 25N636 - G-FORCE II 4240 KA-DD Pressure Washer, 4200 PSI, 4 GPM w/ Kohler Engine & AR Pump
• 25N640
• 25N637 - G-FORCE II 4240 HA-DD Pressure Washer, 4200 PSI, 4 GPM w/ Honda Engine & AR Pump
• 25N641
• 25N677 - G-FORCE II 4040 HG-DD Pressure Washer, 4000 PSI, 4 GPM w/ Honda Engine & GP Pump
• 25N681

This appears to be a pressure washer model with Kohler engine and CAT pump in a direct drive configuration. The model naming convention indicates: 4040 = 4000 PSI/4.0 GPM, K = Kohler engine, C = CAT pump, DD = Direct Drive. 25N678K is listed as one of the models covered by this Parts - Direct-Drive diagram. This appears to be a complete pressure washer model rather than an individual component part. The 'K' suffix likely indicates a specific configuration variant of model 25N678. 25N678K is listed as one of the direct-drive models covered by this parts manual. Multiple parts in the list show compatibility with this model number, indicating the specific components that can be used with this unit.

Reference Manuals

• 3A6588 (Page 2) Pressure Washers, Operation, Repair, Parts