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Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers
Thwaites 4.5t PS Dumper - Site Dumpers

Thwaites 4.5t PS Dumper

Site Dumpers

Specifications

Modal
4.5 Tonne Power Swivel
Payload (Kg)
4,500
Heaped Capacity (ltrs)
2,535
Engine
Yanmar 3TNV86CHT
Rated Engine Power Output
33.3 kW (45 bhp) @ 2600 rpm
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Thwaites T450 Power Swivel: A 4.5 Tonne Dumper Engineered for Efficiency

British Manufacturing: The T450 is Built for the Toughest Sites

In the demanding sector of groundwork and construction, the Thwaites 4.5 Tonne Power Swivel stands out as a premium solution for contractors seeking reliability, productivity and performance. Built to reduce onsite risks while maintaining strong residual values in the competitive market, this Stage V compliant dumper combines compact manoeuvrability with impressive payload capacity, making it ideal for construction, infrastructure and utility projects. Its folded steel plate chassis and robust design reflect Thwaites’ long-standing reputation for durability and straightforward operation.

Power comes from a reliable 33.3kW Yanmar engine, a water-cooled 3-cylinder turbo diesel delivering 142 Nm max torque for optimum traction and control when working on challenging terrain or hauling heavy loads. Paired with a hydrostatic transmission featuring high and low speed ranges, the machine offers smooth, responsive operation and travel speeds of up to 21.4 km/h, helping operators work efficiently while maintaining precise control throughout the job site.

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Thwaites T450 Power Swivel Dumper Key Features

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Operator Comfort as Standard

Operator Comfort as Standard

Thwaites has engineered the T450 to ensure operators remain comfortable and alert throughout long shifts. The operator station features an adjustable suspension seat fitted with a high-visibility seat belt, providing a secure and ergonomic working position. Controls are designed for intuitive use, with a column-mounted directional control lever and an inching facility that allows for precise movements when navigating tight spaces. By prioritising the operator environment, Thwaites helps maintain productivity without compromising wellbeing.

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Safety First with the Thwaites T450 4.5 Tonne Dumper

Safety First with the Thwaites T450 4.5 Tonne Dumper

Safety is a key consideration in the design of the T450. As a high swivel skip dumper, it offers a distinct advantage in restricted areas. The Power Swivel skip enables 180° rotation (90° left and right), allowing operators to tip loads safely and accurately without unnecessary manoeuvring. This capability improves control while helping to reduce risk to surrounding personnel.

Standard safety equipment is comprehensive, including a ROPS frame, reversing alarm, full LED road lights with daylight running lights and an LED beacon to increase visibility across busy jobsites. To further enhance site awareness, the machine is equipped with a camera and dash panel monitor as standard, providing a clear view of blind spots. The braking system features totally enclosed multiplate oil-immersed discs on the rear axle, while a Spring Activated Hydraulic Release (SAHR) handbrake provides additional security by automatically applying the parking brake when required.

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Maintenance Made Easy for Maximum Uptime

Maintenance Made Easy for Maximum Uptime

Minimising downtime is essential for productive site operations, which is why the T450 is designed for straightforward servicing. A lockable cover provides quick ground-level access to key service points, while a rear access door incorporates the battery, power distribution board and air cleaner. The layout is practical, with fuse and relay panels housed in easy-to-reach positions and all electrical components water-resistant to an IP67 rating. This accessibility ensures daily checks and routine maintenance can be completed quickly and safely, keeping the machine working efficiently.

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A Dumper Built for Your Industry

Durability is woven into the fabric of this machine. The skip is manufactured from fully welded 6 mm steel plate, with the mouth and sides reinforced with box sections to minimise impact damage during loading. This sturdy construction allows for a maximum safe load of 4,500 kg and a heaped capacity of 2,535 litres. Stability is provided by the unique Kinglink chassis, a three-point articulation and oscillation system that keeps the wheels in contact with the ground for improved traction and stability on uneven terrain. This combination of heavy-duty materials and intelligent engineering ensures the Thwaites 4.5 Tonne Power Swivel withstands the rigours of modern construction sites year after year.

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In construction, staying sharp means having the right construction equipment to tackle any challenge without missing a beat. As a single-source supplier, Molson Equipment delivers industry-leading machinery from top brands, offering powerful performance and unmatched versatility. Whether you need dependable standard models or advanced machines with the latest technology, Molson has the solutions to keep your projects moving forward. Trust Molson to power your construction success—every step of the way.

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