Stealth Spectre Series 10.2 GPM 3500 PSI Belt-Drive Commercial Pressure Washer Skid – Honda iGX800 EFI & General Pump TSF2221
The Stealth Spectre Series 10.2 GPM 3500 PSI Pressure Washer Skid is a high-flow commercial pressure washing system designed for contractors running large flatwork, fleet washing, industrial cleaning, and multi-gun trailer setups. Powered by the Honda iGX800 EFI engine and paired with the General Pump TSF2221 triplex plunger pump, this belt-driven skid delivers 10.2 GPM at 3500 PSI while maintaining lower pump RPM, reduced vibration, and quieter operation for long daily runtimes.
This updated Spectre configuration features a redesigned aluminum skid layout with rubber vibration-isolation feet, a dedicated unloader block assembly, and simplified plumbing connections for cleaner installation and improved serviceability. The included General Pump YU21405 unloader is mounted directly to the dedicated block assembly instead of threading directly into the pump, helping reduce vibration transfer, improve plumbing accessibility, and create a cleaner high-flow bypass layout.
At the center of the system is the Electric Start Honda iGX800 EFI V-Twin — one of the most advanced commercial pressure washer engines available. Featuring Electronic Fuel Injection (EFI), STR governor technology, drive-by-wire throttle control, automatic choke functionality, and onboard diagnostics, the iGX800 delivers smoother throttle response, quieter operation, improved fuel efficiency, and easier starting compared to traditional carbureted V-Twin engines.
The TSF2221 General Pump runs at lower RPM through the belt-drive system, helping reduce pump heat, vibration, and long-term wear during continuous commercial operation. Combined with the extremely smooth-running iGX800 platform and vibration-isolated skid design, this system operates noticeably quieter and smoother than many traditional high-GPM pressure washer skids.
Built for high-volume professional cleaning operations, the Spectre Series is engineered for contractors who prioritize production speed, runtime durability, serviceability, and real-world cleaning efficiency.
Built for Professional Use
- Commercial pressure washing trailers
- Fleet washing operations
- Heavy equipment cleaning
- Industrial facility cleaning
- Large flatwork and concrete cleaning
- Multi-gun pressure washing setups
- Agricultural equipment washing
- Municipal and public works cleaning
- Oilfield and industrial service work
- High-volume contract cleaning operations
What makes the Honda iGX800 different from a standard GX engine?
The Honda iGX800 uses Electronic Fuel Injection (EFI), drive-by-wire throttle control, and Honda’s STR governor system to electronically manage engine performance under varying loads.
Compared to traditional carbureted V-Twin engines, the iGX800 provides:
- Smoother throttle response
- Improved fuel efficiency
- Easier starting
- Automatic choke functionality
- Reduced RPM fluctuation under load
- Onboard LED diagnostics and fault monitoring
The iGX800 platform is commonly used in commercial equipment where consistent RPM control, long runtime operation, and advanced engine management are important.
What are the advantages of the dedicated unloader block?
This updated configuration mounts the General Pump YU21405 unloader to a dedicated external unloader block assembly rather than directly to the pump manifold.
Benefits include:
- Cleaner plumbing layout
- Easier unloader servicing and replacement
- Reduced vibration transfer to fittings
- Simplified bypass return plumbing
- Improved hose routing and accessibility
- Cleaner high-flow outlet connection setup
The dedicated outlet block also provides a simplified pressure hose connection point directly on the skid assembly.
Why does this skid run quieter and smoother?
Several components contribute to the reduced vibration and quieter operation of this system:
- Honda iGX800 EFI engine design
- Belt-drive pump reduction
- Lower RPM pump speed
- Rubber vibration isolation feet
- Aluminum skid construction
- External unloader block layout
Together, these components significantly reduce harmonics, vibration transfer, and mechanical noise compared to many traditional direct-drive or rigid-mounted high-flow systems.
Honda iGX800 EFI Engine
779cc commercial V-Twin featuring Electronic Fuel Injection, STR governor technology, drive-by-wire control, automatic choke, and onboard diagnostics.
General Pump TSF2221
Commercial-grade triplex plunger pump that reduces wear and ensures extended service life with smoother operation. Drain line
Belt-Drive System
Lower pump RPM operation reduces heat, vibration, and pump stress during long commercial work cycles.
Dedicated Unloader Block Assembly
External mounting block for the YU21405 unloader improves plumbing layout, serviceability, and vibration management.
Rubber Vibration Isolation Feet
Integrated rubber feet help reduce skid vibration transfer and improve operational smoothness.
High-Flow Commercial Output
Delivers 10.2 GPM at 3500 PSI for large-scale cleaning productivity and faster rinse capability.
Simplified Pressure Outlet Connection
Integrated outlet connection point provides cleaner hose routing and easier installation.
Aluminum Skid Platform
Corrosion-resistant lightweight aluminum skid designed for trailer and flatbed mounting applications.
Return-to-Tank Ready
Built for bypass return plumbing integration on buffer tank systems.
Electric Start System
Key-switch electric start with automatic decompression for reliable startup operation.
| Specifications | Details |
| Brand | Stealth |
| Series | Spectre Series |
| Part Number | SB1035-HG |
| Flow Rate | 10.2 GPM |
| Pressure | 3500 PSI |
| Engine | Honda iGX800, 779cc, V-Twin, OHV, Electric Start |
| Engine Power | 24.8 HP |
| Engine Highlights | Electronic Fuel Injection (EFI), Drive-by-Wire, Auto Choke, Low Vibration |
| Pump | General Pump TSF2221 Triplex Plunger, 1450 RPM |
| Unloader | YU21405 |
| Pump Inlet | 3/4" FNPT |
| Pump Outlet | 3/8" FNPT |
| Unloader Inlet | (2) 1/2" FNPT |
| Unloader Outlet | 1/2" FNPT |
| Unloader Bypass | (2) 1/2" FNPT |
| Pump Shaft | 24mm Solid Shaft |
| Drive Type | Belt Drive |
| Skid Frame | Lightweight Aluminum |
| Bypass Return Hose | Not Included |
| Max Water Temperature | 165°F |
| Starting System | Electric Start w/ Automatic Decompression |
| Engine Features | LED Diagnostics, Oil Alert, Rev Limiter, Automotive Oil Filter |
| Charging System | High Capacity 17A or 26A Regulated Output |
| Warranty | Honda 3-Year Engine / General Pump 5-Year Warranty |
Recommended Applications
- Fleet washing trailers
- Large concrete cleaning setups
- Dual-wand commercial cleaning systems
- Heavy equipment cleaning
- Agricultural wash systems
- Industrial degreasing operations
- High-volume flatwork contractors
- Municipal pressure washing
- Oilfield cleaning operations
- Long-runtime commercial washing routes
What’s Included
- Honda iGX800 EFI Engine
- General Pump TSF2221 Pump
- Drain Lines
- Belt-drive assembly
- General Pump YU21405 unloader
- Dedicated unloader block assembly
- Aluminum skid platform
- Rubber vibration isolation feet
- Bypass plumbing connection setup
- Electric start controls
