XMV3G27D-F25M2I 3.0 GPM 2700 PSI Pump | F25M2I Shaft

XMV3G27D-F25M2I by Annovi Reverberi — Triplex Plunger Pump with Gymatic Unloader and Chemical Injector | 3.0 GPM | 2,700 PSI | 3/4″ Shaft | SAE J609A Gas and Diesel Engine Drive

The XMV3G27D-F25M2I by Annovi Reverberi is a commercial-grade triplex ceramic plunger pump engineered for gas engine-driven pressure washing systems that require 2,700 PSI output, integrated downstream chemical application capability, and a fully rebuildable platform built for long-term professional service. Rated at 3.0 GPM and 2,700 PSI at 3,400 RPM, the XMV3G27D-F25M2I is built around a 3/4″ hollow shaft and F25 SAE J609A direct-drive flange — close-coupling directly to the class of gasoline and diesel engines most common on contractor pressure washer frames and portable wash rigs without adapters or intermediate couplings. With its Gymatic unloader and integrated downstream chemical injector, this pump delivers the complete two-mode professional wash workflow — high-pressure rinse and low-pressure detergent pre-soak — through a single factory-configured assembly.

Built by Annovi Reverberi in Modena, Italy — with US-based operations, a domestic parts distribution network, and dedicated AR North America technical support — the XMV3G27D-F25M2I arrives complete and field-ready. Pre-filled with AR break-in oil, equipped with a Gymatic unloader and active downstream chemical injector, and packaged with mounting bolts and fasteners, a vented dipstick, operator’s manual, and full parts schematic, this pump is ready to install from the moment it arrives. Protected by a 5-year US limited warranty through AR North America and built to be fully rebuilt rather than replaced, the XMV3G27D-F25M2I is a long-term investment in a high-pressure pump platform capable of a decade of productive commercial service life.

Decoding the XMV3G27D-F25M2I Model Number

What Every Segment of This AR Pump Designation Tells You

Annovi Reverberi encodes all critical specification data — pump series, performance output, shaft type, flange interface, unloader family, and injector configuration — directly into the model number. Reading the XMV3G27D-F25M2I correctly before specifying or installing confirms engine compatibility, shaft bore, pressure rating, and chemical feed configuration:

• XMV — Pump series: XM Series triplex plunger pump — AR’s commercial high-pressure platform with forged brass manifold construction, engineered for sustained 2,700–3,000 PSI operation
• 3G27 — Performance rating: 3.0 GPM flow rate at 2,700 PSI maximum operating pressure
• D — Shaft version: Direct Gas/Diesel Drive — 3/4″ hollow shaft for direct coupling to gasoline or diesel engine output shafts in the compact contractor engine class
• F25 — Flange type: SAE J609A direct-drive flange for XM Series ‘D’ version pumps — close coupling to gas or diesel engines with a 3/4″ cylindrical shaft (AR part AR1780580). This is the correct flange for the Honda GX390, Kohler CH395, Briggs Vanguard, and similar 3/4″ shaft engines widely used on contractor pressure washer frames.
• M2 — Unloader code: Gymatic (M2 = C2 = Gymatic per AR suffix designation) — Gymatic series internal bypass unloader, brass body, adjustable pressure regulation, factory-fitted
• I — Chemical injector: Included — a downstream soap and chemical injector is integrated into the Gymatic unloader assembly, enabling low-pressure detergent application without a separate injector fitting

F25 vs F24 — Understanding the XMV Series Shaft and Flange Differences

The XMV Series is available with two primary direct-drive flange configurations that determine engine compatibility. Selecting the correct flange before ordering is essential:

• F25 flange (this model) — SAE J609A interface for XM Series ‘D’ version pumps with a 3/4″ cylindrical shaft. Matches the Honda GX390, Kohler CH395, Briggs and Stratton Vanguard 13, and comparable engines in the 11–13 HP class commonly used on standard contractor pressure washer skids and portable rigs. This is the most common gas engine shaft size in the commercial pressure washing equipment market.
• F24 flange (larger XMV variants) — SAE J609A interface for XM/RRV Series ‘D’ version pumps with a 1″ cylindrical shaft. Matches larger gas and diesel engines used on heavy-duty contractor rigs, agricultural equipment, and municipal service vehicles where higher horsepower demands a larger shaft diameter.

Verify your engine’s output shaft diameter before ordering — the pump will not mount correctly if the flange and shaft bore are mismatched.

Key Specifications

XMV3G27D-F25M2I Technical Details at a Glance

• Flow Rate: 3.0 GPM (gallons per minute)
• Maximum Pressure: 2,700 PSI
• Operating Speed: 3,400 RPM
• Pump Type: Triplex ceramic plunger pump — three-piston crankshaft-driven design for smooth, consistent, high-pressure output
• Crankshaft Bore: 3/4″ hollow shaft — direct engagement with gas or diesel engine 3/4″ output shaft
• Manifold Material: Forged brass — dense, pore-free construction for corrosion resistance and sustained high-pressure cycle integrity
• Plungers: Solid ceramic — exceptional hardness, wear resistance, and chemical inertness across extended commercial operating hours
• Valves: Stainless steel — precise seating geometry, scale resistance, and reliable performance under continuous 2,700 PSI cycling
• Flange: F25 — SAE J609A direct-drive flange for XM Series ‘D’ version, 3/4″ shaft (AR part AR1780580)
• Unloader System: Gymatic series (M2 / C2 code) — brass-body internal bypass unloader, adjustable pressure regulation, rated above 2,700 PSI operating range within AR’s accepted 15% variance
• Chemical Injector: Included — downstream venturi injector integrated into Gymatic unloader assembly (“I” suffix confirmed)
• Warranty: 5-year limited warranty — US-based coverage through AR North America with domestic parts and service support

What’s Included in the Box

A Complete, Factory-Configured Assembly Ready for Installation

Every XMV3G27D-F25M2I ships fully assembled and field-ready. No supplemental hardware sourcing, fluid filling, or pre-run preparation is required before installation:

• Factory-installed Gymatic unloader (M2) with active chemical injector — pre-mounted with integrated downstream injector ready for detergent supply line connection
• AR factory break-in oil — crankcase pre-filled to the correct operating level for first startup without modification
• Vented dipstick — enables fast, accurate crankcase oil level checks while maintaining proper crankcase pressure relief during operation
• Clear oil sight glass — at-a-glance oil level monitoring without removing the dipstick cap
• Mounting bolts and fasteners — hardware pre-selected and sized for F25 SAE J609A direct-drive flange installation on compatible 3/4″ shaft gas engines
• Operator’s manual — complete installation, startup, operating, and maintenance procedures including oil change intervals, winterization protocol, and chemical injector care
• Parts schematic — exploded-view diagram with AR part numbers for every serviceable pump component for field and shop reference
• Factory test certification — every XMV3G27D-F25M2I load-tested at 50%, 100%, and 150% of rated output before leaving the AR manufacturing facility

Integrated Chemical Injection at 2,700 PSI — The Complete Two-Mode Wash Platform

Pre-Soak, Degrease, and Rinse From a Single Pump Assembly

At 2,700 PSI the cleaning tasks professionals face on contractor rigs — road film on fleet vehicles, grease on construction equipment, organic buildup on agricultural machinery, and embedded contamination on commercial surfaces — respond dramatically better to a detergent pre-soak before high-pressure rinsing than to pressure alone. The integrated downstream chemical injector on the XMV3G27D-F25M2I delivers that two-mode capability without additional hardware:

• Venturi-driven downstream injection — the injector built into the Gymatic unloader body draws detergent, degreaser, or pre-soak solution from a supply container using the venturi pressure differential created when the operator switches to low-pressure application mode. No chemical pump, powered dosing system, or electrical supply is required.
• Two-mode workflow in one assembly — apply detergent at low pressure during the pre-soak phase, allow dwell time for the chemistry to break down contamination, then switch to full 2,700 PSI rinse mode to remove loosened material efficiently. This workflow reduces total job time, chemical consumption, and physical effort compared to pressure-only washing.
• No separate injector hardware — the injector is integrated into the factory-installed Gymatic unloader. No downstream injector tee, separate injector body, or additional plumbing is needed to achieve full chemical application capability on the XMV3G27D-F25M2I.
• Injector maintenance — flush the injector circuit with clean water after every detergent session to prevent chemical residue buildup in the venturi passage, preserving long-term injector function as detailed in the included operator’s manual.

The Gymatic Unloader — Tamper-Resistant Pressure Control at 2,700 PSI

Set It. Lock It. Trust It Across Every Operator and Every Job.

The Gymatic unloader (M2) on the XMV3G27D-F25M2I is rated above the pump’s 2,700 PSI operating pressure — within AR’s accepted 15% upside variance for unloader pairings. Operating the Gymatic within its rated range widens the stable regulation window, reduces internal wear, and extends the rebuild interval by keeping the unloader in a comfortable operating zone throughout the pump’s service life.

Once pressure is set and locked, the Gymatic’s tamper-resistant design holds that setting reliably — making the XMV3G27D-F25M2I the correct specification for:

• Contractor crews and managed wash operations — supervisors configure pressure for the specific surface and application; crew members cannot inadvertently over-pressurize surfaces or adjust settings between jobs
• Rental equipment fleets — pressure is dealer-configured once and held consistently across every rental cycle, reducing service calls and surface damage claims from inexperienced users
• Owner-operators running consistent routes — locked, repeatable pressure delivers consistent results on the same surface types without re-adjustment between jobs

Beyond tamper resistance, the Gymatic delivers:

• Internal bypass operation — trigger-off bypass smoothly redirects flow, preventing deadhead pressure spikes that accelerate seal and valve wear during idle intervals on production wash jobs
• Engine load reduction in bypass — reduced back-pressure lowers engine load, reducing fuel consumption during idle intervals on full-day wash operations
• Brass body construction — resists corrosion from cleaning chemicals, chlorinated water, and sustained outdoor field exposure

XM Series Construction for High-Pressure Commercial Duty

Built for 2,700 PSI Continuous Operation — Every Wear Component Individually Rebuildable

The XMV3G27D-F25M2I belongs to AR’s XM Series — a commercial high-pressure platform engineered for the sustained mechanical and thermal demands of 2,700–3,000 PSI operation that exceed what lower-pressure XTV series pumps are designed to handle:

• Solid ceramic plungers resist the elevated seal contact forces at 2,700 PSI. Their hardness and dimensional stability far exceed stainless alternatives at this pressure level. When plungers approach service limits they are replaced individually — the manifold, crankcase, and all other components remain in service.
• Forged brass manifold provides a dense, pore-free pressure vessel that withstands daily cyclic mechanical stress, thermal variance from gas engine operating environments, and the chemical exposure of detergent solutions drawn through the downstream injector — without the corrosion pitting and structural degradation that limit cast aluminum manifolds under sustained high-pressure commercial conditions.
• Stainless steel valves maintain precise seating geometry through hundreds of thousands of 2,700 PSI pressure cycles, resisting calcium scale accumulation and surface pitting that cause pressure loss and valve chatter at elevated operating pressures.
• Triplex three-plunger design produces smooth, overlapping pressure pulses that reduce pulsation-induced fatigue stress on hoses, spray guns, and fittings — an important advantage at 2,700 PSI where pulsation loads on downstream components are substantially higher than at lower operating pressures.

F25 SAE J609A — Direct Drive for 3/4″ Shaft Gas and Diesel Engines

The Standard Contractor Engine Interface — Mount It and Run It.

The F25 flange on the XMV3G27D-F25M2I is AR’s SAE J609A direct-drive interface for XM Series ‘D’ version pumps matched to the 3/4″ shaft engine class that dominates the commercial contractor pressure washing market:

• Direct close-coupling — the pump mounts face-to-face against the engine with the 3/4″ hollow shaft bore engaging the engine output shaft directly. No belt, jackshaft, or adapter required in a standard direct-drive installation
• Broad engine compatibility — the F25 SAE J609A 3/4″ shaft standard covers the Honda GX390, Kohler CH395, Briggs and Stratton Vanguard 13, Kawasaki FX481V, and comparable engines — the most widely deployed gas engine platforms on contractor pressure washer frames in the US market
• Diesel engine compatibility — equally compatible with diesel engines equipped with a 3/4″ output shaft and SAE J609A bolt pattern for operations where diesel fuel is the preferred power source
• Compact installation envelope — direct coupling eliminates belt guards, pulleys, and tensioning hardware, reducing overall skid and trailer frame dimensions for portable contractor rigs
• Included mounting hardware — bolts and fasteners sized for the F25 SAE J609A bolt pattern are supplied in the box

Typical Applications

Where the XMV3G27D-F25M2I Delivers Best Results

• Professional pressure washing contractors — two-mode wash workflow combining 2,700 PSI rinse power with integrated detergent pre-soak for concrete cleaning, building exterior restoration, surface prep, and commercial property maintenance
• Fleet and vehicle washing operations — pre-soak degreaser application on trucks, trailers, and service vehicles followed by high-pressure rinse on mobile and trailer-mounted contractor rigs
• Construction equipment cleaning — degreaser pre-treatment on excavators, loaders, and job site machinery before 2,700 PSI washdown removes caked grease and soil more efficiently than pressure alone
• Agricultural operations — tractors, combines, barn equipment, and facility washdowns with chemical pre-soak capability on gas or diesel engine-powered rigs in field environments
• Municipal and government services — utility truck fleets, public works equipment, and infrastructure cleaning rigs where 3/4″ shaft engine compatibility and integrated detergent capability are both operational requirements
• Rental equipment fleets — tamper-resistant Gymatic pressure control, complete two-mode chemical capability, and XM Series durability support high-utilization commercial rental cycles
• Contractor rig builders and OEM integrators — the F25 3/4″ shaft interface covers the broadest range of standard contractor gas engine platforms, simplifying pump specification across multiple rig configurations

5-Year US Warranty, Full Rebuildability, and Wholesale Pricing

Domestic Support Built to Last as Long as the Pump

The XMV3G27D-F25M2I is protected by Annovi Reverberi’s 5-year limited warranty through AR North America’s US-based warranty and service network. Every internal wear component — ceramic plungers, brass manifold seals and o-rings, stainless valve seats and springs, Gymatic unloader service parts, and crankcase bearings — is stocked domestically through AR’s authorized distribution channels.

With consistent maintenance — break-in oil change at 50 hours, scheduled oil changes every 500 hours or 3–5 months, regular valve and seal inspection, chemical injector circuit flushing with clean water after every detergent session, and proper winterization using RV-grade environmentally safe antifreeze — the XMV3G27D-F25M2I is engineered for 10 or more years of productive high-pressure commercial service life. AR North America’s domestic parts depth ensures rebuild kits, plunger sets, and Gymatic unloader service components are typically available same-week, keeping contractor rigs and fleet wash operations running rather than waiting on international shipping timelines.

Contractors, rental fleet operators, municipal purchasing departments, resellers, and volume buyers are invited to contact wholesale@wshpwr.com for wholesale and special pricing on the XMV3G27D-F25M2I and the full Annovi Reverberi pump and unloader assembly line. WSHPWR stocks more than 1,900 AR North America products — one of the most complete AR inventories available through any US web store.

2,700 PSI. Gymatic Bypass. Integrated Chemical Feed. The Contractor’s XM Series Pump.

Italian Engineering. F25 Standard Engine Interface. US Warranty Coverage.

For contractors, fleet operators, agricultural teams, and rental fleet managers who need a high-pressure gas engine-driven triplex pump with 3/4″ shaft direct-drive compatibility, integrated downstream chemical injection, tamper-resistant Gymatic pressure control, and a fully rebuildable XM Series platform, the XMV3G27D-F25M2I delivers a factory-tested, fully documented assembly from one of the global pressure pump industry’s most trusted manufacturers. Two thousand seven hundred PSI. F25 direct drive. Three-quarter inch shaft. Gymatic bypass with integrated injector. Five years of US warranty. A decade of service life.

Volume buyers, resellers, and rental fleet operators can reach the WSHPWR wholesale team directly at wholesale@wshpwr.com to discuss pricing for quantity purchases across the complete Annovi Reverberi lineup — including pumps, unloader assemblies, and service parts.