GRACO 25N679 – G-FORCE II 4040 HG-BD Pressure Washer, 4000 PSI, 4 GPM w/ Honda Engine & GP Pump

GRACO 25N679 – G-FORCE II 4040 HG-BD Pressure Washer, 4000 PSI, 4 GPM w/ Honda Engine & GP Pump

Ideal for large residential or commercial contractors, the G-Force II 4040 HG-DD pressure washer delivers higher power and flow and is built tough to handle weekly use and deliver high flow and pressure in a compact, durable package.

Honda® Engines

Reliable, powerful & easy-to-start

Oil Alert shuts down engine to prevent damage if oil level drops too low

Thermal sensor prevents pump from overheating in bypass mode

Reliable, GP Triplex Plunger Water Pump

100% Heavy-Gauge Aluminum Frames

Up to 40% lighter than steel frames

Corrosion resistant to water and chemicals

Standard on all Graco models

Lifetime Warranty

EZ Start Pressure Relief For Easier Starting

Standard Graco feature

Allows water bypass pump to eliminate pressure build-up in the system

No need to pull the gun trigger while starting the washer

Direct Drive

Compact design with fewer components and lighter weight

Pump is connected directly to the drive shaft of the engine

Pump rpm matches that of the engine (usually around 3500 rpm)

Additional Specifications

Max Working Pressure: 4000 PSI (27.6 MPa, 276 Bar)

Flow: 4.0 GPM

Engine Brand	Honda
Engine Model	GX390
Fuel Tank Capacity (qt)	6.9
Hose Inlet Diameter (in)	3/8
Hose Length (ft)	50
Includes	Professional-Grade Pressure Washer Spray Gun with Quick Connects, 36 in Pressure Washer Wand with Quick Connect, 3/8 in x 50 ft Non-Marking Pressure Washer Hose, 4 ft Chemical Injector Hose with Strainer, 0° Red Pressure Washer Tip, 15° Yellow Pressure Washer Tip, 25° Green Pressure Washer Tip, 40° White Pressure Washer Tip, Black Chemical Pressure Washer Tip
Maximum Flow Rate (GPM)	4
Maximum Fluid Pressure (psi)	4000
Maximum Operating Temperature (°F)	145
Maximum Working Pressure (MPa)	27.6
Maximum Working Pressure (psi)	4000
Model	G-Force II
Motor Drive Type	Belt Drive
Pump Brand	GP
Pump Type	Triplex Plunger
Recommended Weekly Usage (Hours)	30+
Series	4040
Type	Gas Pressure Washer
Weight (lb)	132

Compatible Equipment

G-FORCE II pressure washer series

Belt-Drive pressure washer series

GX390 Engine

GP – HP series pump

Series A belt drive units

Related Parts

25N683, 25N679K

25N680 – G-FORCE II 4040 HC-BD Pressure Washer, 4000 PSI, 4 GPM w/ Honda Engine & CAT Pump

25N684, 25N680K

This is a pressure washer model with Honda engine and GP pump in belt drive configuration. Part of the 4040 series with 4000 PSI operating pressure and 4.0 GPM flow rate. 25N679 is shown as a model number in the header of this parts diagram page for belt-drive pressure washers. The page shows exploded view with numbered components (1-30) but does not include the actual parts list with specifications. This appears to be one of the main model numbers for this belt-drive pressure washer series. The page shows it’s compatible with GX390 engine (part 114703) and GP-HP series pump (part 127384). Series A belt drive units will need to buy a set of Series B engine pulley and bushing when replacing either PN 127706 or 127703.

Reference Manuals

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