3EC-36-51142 BRAKE VALVE ASS’Y | Komatsu FG40-FG50 Forklift

Overview

The 3EC-36-51142 BRAKE VALVE ASS’Y is a replacement brake system component for Komatsu pneumatic tire forklifts. The brake valve assembly sits at the heart of the service brake circuit, regulating pressure so the operator experiences smooth, consistent braking at the pedal. When this component wears, symptoms can include a soft or spongy pedal, delayed engagement, uneven braking between wheels, or the truck failing to hold on ramps. Replacing a failing brake valve assembly promptly is one of the most important safety steps you can take on a loaded lifting machine, and fitting the correct Komatsu-specific part number is essential.

Compatibility

This assembly is built for Komatsu FG40/FG45/FG50 series pneumatic tire forklifts, including the FG40Z variant — trucks from the FG40-10-U-US up to the FG50-10-U-US. Many buyers search for a 3EC-36-51142 for FG40-10-U-US, and this is the correct assembly for that machine as well as the rest of its series. Before ordering, we recommend confirming the number on your existing valve or in your Komatsu parts manual. If you have any doubt, share your model and serial number and our parts specialists will verify fitment before you buy.

Quality and Reliability

Braking components leave no room for compromise. The 3EC-36-51142 BRAKE VALVE ASS’Y is manufactured to the specifications of the original Komatsu part, with materials selected to withstand the heat, pressure and vibration of daily warehouse and yard duty. Each assembly is supplied as a complete, ready-to-install unit, so there is no improvisation or modification required to put it into service. Consistent tolerances mean the valve responds predictably under repeated braking cycles — exactly what a forklift working around pedestrians and racking demands.

Installation and Maintenance Tips

• Depressurize the machine, chock the wheels and apply lockout procedures before starting work.
• Photograph hose and line routing before disassembly so the new valve is plumbed exactly like the old one.
• Replace worn seals, hoses or fittings at the same time to avoid a repeat teardown.
• After installation, bleed the brake circuit thoroughly and test braking at low speed in a clear area before returning the truck to service.
• Inspect the brake system at every scheduled service interval and address leaks or pressure drops immediately.

Why Order from Us

forkliftpartssearch.com specializes in Komatsu forklift parts, so you can order the 3EC-36-51142 with confidence that the number you enter is the number we ship. Our team works with Komatsu part references every day and can help you cross-check fitment, answer technical questions and support you after the sale. With clear product data, responsive specialists and a straightforward ordering process, we make it easy to keep your FG40/FG45/FG50 series trucks braking safely and your operation moving.