
Kato KR25H-V8 (SR-250Ri)
The Kato KR25H-V8 (SR-250Ri) is a 25-ton rough terrain crane equipped with a high-rigidity four-section boom and advanced EJIB system. It features a 27.9 m working radius with a 0.9 t load and a jib radius of 34.0 m with 0.43 t capacity. Powered by a 200 kW Euro-compliant engine, it emphasizes performance, safety, and fuel efficiency, along with innovations such as an IC card anti-theft system, touch-panel display, real-time fuel monitoring, and infrared camera integration.
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Product Description
The Kato KR25H-V8, also known as the SR-250Ri PREMIUM, is a 25-ton class rough terrain crane introduced by Kato Works in March 2013. It sets new industry standards by combining environmental compliance, high safety, and operator-friendly features. The crane is powered by a 200 kW diesel engine conforming to Japan’s 2011 (Heisei 23) diesel emissions regulations, producing a peak torque of 775 Nm at 1600 rpm. It also meets the low-noise designation required for urban construction environments.
This crane is equipped with a four-section equal-length telescoping “Super Boom” (SYNCHROZOOM system) offering both improved rigidity and lighter weight. Its maximum lifting performance at boom radius is 27.9 m with 0.9 t load, and with the two-stage EJIB extended, it reaches 34.0 m with a 0.43 t tip load. The EJIB system has also been improved to allow storage and extension without the operator leaving the cabin, significantly reducing setup time and operational effort. It now also supports in-air deployment, requiring less space for jib installation.
Technologically, the SR-250Ri introduces the KIC-S IC card system. This prevents unauthorized engine startup and allows data logging for both crane operation and road driving. Operational data can be downloaded using optional software and a card reader for maintenance and performance tracking. The system enhances both security and operational efficiency.
Operator comfort is also a focus of this model. The cab design has been improved with a greater seat reclining angle, better ingress/egress, and enhanced air conditioning with an optimized foot-level vent. A combustion-type air heater is also available as an option to provide warmth during idle conditions without engine power.
The SR-250Ri also adopts a newly designed COR touch panel that displays real-time fuel consumption during operation and travel. An “eco switch” function helps limit maximum engine rpm during crane work, contributing to lower fuel consumption. It also uses an energy-saving hydraulic flow control during idle standby.
Safety and visibility are enhanced by an advanced camera monitoring system with up to four simultaneous views. Infrared LEDs on the rear-view and winch cameras improve visibility in low-light conditions. Optional equipment includes discharge headlamps, side marker lights, winch monitoring camera, boom tip view cameras, and even digital TV reception for extended jobsite comfort.
With its balanced performance, compactness, eco-friendliness, and intelligent design, the SR-250Ri is targeted for 500 units of annual sales, aiming to be the top in its class for safety and environmental compatibility.
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