AR1600 | Gear Box for RK/XW Pumps, 1 in Shaft

AR1600 | Gear Box for RK/XW Pumps, 1 in Shaft

AR AR1600 Gear Box – 1″ Shaft for RK & XW Series Pumps
The AR AR1600 gear box is a precision-engineered power transmission component designed by Annovi
Reverberi to deliver smooth, efficient, and durable torque transfer between engines and AR RK or XW
series high-pressure pumps. Featuring a 1-inch shaft, this gear box provides precise alignment, optimal
speed reduction, and superior load-bearing performance so the pump operates at the ideal RPM for
consistent output and long service life. Engineered for professional and industrial applications, the
AR1600 combines mechanical strength, precision machining, and dependable operation to enhance overall
system performance in demanding environments.

Heavy-Duty Housing & Corrosion Resistance

Constructed from heavy-duty cast aluminum or machined alloy steel, the AR1600 offers an optimal balance
of strength, rigidity, and corrosion resistance. Its robust housing is built to endure the mechanical
stresses of continuous high-load operation, maintaining precise internal gear alignment under varying
torque conditions. The compact, durable design helps minimize vibration and noise while dissipating heat
efficiently, allowing the gear box to run smoothly even during long-duration cleaning or industrial
cycles. A corrosion-resistant finish provides lasting protection from moisture, detergents, and
environmental exposure, making the AR1600 suitable for both stationary and mobile pressure washer
systems.

Optimized Gear Set & Internal Components

Inside the AR1600, a precisely machined gear set ensures efficient power transfer and consistent
rotational balance. The gear ratio is optimized to match engine speeds to the pump’s ideal operating
RPM, enabling maximum pressure and flow without over-speeding or mechanical strain. The gears are made
from hardened steel and undergo precision grinding for smooth, quiet operation and long wear life.
High-quality bearings support the shafts, reducing friction and maintaining accurate gear alignment at
high speeds. This precision engineering minimizes power loss and reduces wear on both the gear box and
connected pump or motor components.

1″ Shaft Coupling & Pump Compatibility

The 1-inch input shaft is designed for secure, direct coupling with compatible engines, providing a
tight, slip-free connection for steady torque transmission. The output side interfaces seamlessly with
AR RK and XW series pumps, aligning perfectly with their drive systems for efficient, reliable
performance. Precision keyways prevent rotational slippage and maintain mechanical synchronization
between the drive engine and the pump. This direct, efficient connection reduces energy loss, improves
performance, and extends the overall system lifespan.

Easy Installation & Compact Integration

Installation of the AR1600 gear box is straightforward. It mounts easily to AR RK and XW series pumps
using the pre-drilled bolt pattern and alignment guide features. Integrated mounting flanges and
precision-machined surfaces ensure quick, accurate assembly without additional shims or adjustments. The
unit’s compact dimensions allow it to fit into a wide range of pressure washer frame configurations,
whether portable or stationary, without compromising accessibility for inspection or routine
maintenance.

Sealed Lubrication & Long Service Life

In operation, the AR1600 maintains smooth, stable performance under continuous use. A sealed design
protects internal components from contamination, while the internal gear oil reservoir provides proper
lubrication and heat dissipation across the full operating range. This sealed lubrication system
lengthens maintenance intervals and prolongs the life of gears and bearings. Routine checks of oil level
and condition, along with periodic replacement, are typically all that’s required to maintain optimal
performance for thousands of operational hours.

Professional-Grade Performance & Testing

Specifically engineered for use with Annovi Reverberi’s RK and XW pump series, the AR1600 is the ideal
choice for professional-grade pressure washers and industrial cleaning machines that demand consistent
mechanical reliability. By precisely matching power transmission between the engine and pump, it helps
prevent overloading, reduces mechanical noise, and enhances fuel efficiency. Each AR1600 gear box
undergoes rigorous quality control and performance testing to verify dimensional accuracy, torque
handling, noise level, and vibration resistance, ensuring dependable output in real-world applications.

Key Features & Applications

• Precision gear box for AR RK and XW high-pressure pumps with 1″ shaft
• Heavy-duty cast aluminum or alloy steel housing resists stress, vibration, and corrosion
• Optimized gear ratio matches engine speed to ideal pump RPM
• Hardened, precision-ground steel gears for smooth, quiet operation and long wear life
• High-quality bearings and sealed lubrication for reduced friction and extended service intervals
• Direct 1″ shaft coupling with keyways for slip-free torque transfer
• Pre-drilled bolt pattern and alignment features for quick, accurate installation
• Compact footprint integrates easily into portable and stationary washer frames
• Ideal for fleet washing, agricultural equipment, construction cleaning, and industrial maintenance

The AR AR1600 gear box for RK and XW series pumps with a 1-inch shaft embodies Annovi
Reverberi’s commitment to precision, strength, and long-term reliability. By combining hardened steel
gears, a corrosion-resistant housing, and exact alignment, it delivers smooth, efficient torque
transfer, reduced vibration, and optimized performance for continuous operation in professional-grade
pressure washer and industrial cleaning systems.