Whiteman B46H90 Walk-Behind Power Trowel – 46” Heavy Duty Concrete Finisher (Honda GX270)

The Whiteman B46H90 Walk-Behind Power Trowel is a heavy-duty, professional concrete finishing machine designed for larger slabs and high-production environments.

Equipped with a powerful Honda GX270 8.5HP engine, the B46H90 delivers excellent torque and consistent performance, making it ideal for demanding finishing work. Its 46-inch guard ring provides increased coverage, allowing contractors to finish larger areas more efficiently compared to standard 36” machines. 

Built with Multiquip’s renowned durability, the machine features a heavy-duty gearbox, optimised balance, and robust spider assembly, ensuring smooth operation and long service life on-site. 

This model is the natural step up from mid-size trowels, offering increased productivity while maintaining control and finishing quality.

Key Features

• 46” (1170mm) Guard Ring Diameter – Increased coverage for larger slabs 

• Honda GX270 Engine (8.5HP) – High-performance, reliable power 

• 4-Blade System – Smooth, consistent finishing

• Blade Speed (Approx. 60–130 RPM) – Adaptable to concrete conditions 

• Heavy-Duty Gearbox – Large oil capacity for long-term durability 

• Optimised Balance – Smooth operation and reduced operator fatigue 

• Front Access Panel – Quick access to blades and arms for maintenance 

• Centre Lifting Bale – Easy handling and transport 

• Optional QuickPitch Handle – Fast blade pitch adjustment for changing conditions 

Benefits

• Covers larger areas faster than 36” machines

• Powerful engine for consistent performance on heavy pours

• Smooth, professional finish on large slabs

• Reduced finishing time on commercial projects

• Built for long-term, heavy-duty use

Technical Specifications

Applications

• Large concrete slab finishing

• Commercial flooring and industrial pours

• Warehouse and distribution centre floors

• High-volume construction projects

• Finishing large surface areas efficiently

Why Choose the B46H90?

The B46H90 is designed for contractors who need greater productivity and coverage than smaller trowels can offer.

Compared to a 36” trowel:

• Faster finishing on large slabs

• More efficient on open areas

• Better suited to commercial-scale work

It is the ideal machine when your workload moves beyond domestic jobs into larger, high-output projects.