Head to head
Karcher K4 vs Rhino TQ3
The Karcher K4 is a domestic electric pressure washer. The Rhino TQ3 is a 110v infrared site heater.
Last reviewed 13 September 2026
Specifications side by side
| Karcher K4 | Rhino TQ3 | |
|---|---|---|
| Dimensions | 302 x 346 x 849 mm (L x W x H) | 500 x 460 x 1000mm (L,H,D) |
| Pressure | 20 - max. 130 bar | - |
| Flow rate | max. 420 l/h | - |
| Rated input power | 1800 W | - |
| Weight without accessories | 5,5 kg | - |
| Power | - | 2 x 1.1kW infrared halogen lamps |
| Output | - | 7506 BTU |
| Weight | - | 19.5kg (110V, net) |
Sources: Karcher K4, Rhino TQ3. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the K4 if...
An entry-level domestic pressure washer used for patios, driveways, cars and garden furniture rather than trade cleaning work. Tool hire depots and general hire firms stock it as everyday, low-cost equipment.
Listed by
- WhyBuy - London
Buy or hire the TQ3 if...
A site heater used to warm people and dry out enclosed spaces on construction sites, run on a 110V site supply as UK site safety rules require.
Listed by
- RF Plant Hire Ltd - Brentwood
Common questions
What is the difference between the Karcher K4 and the Rhino TQ3?
The Karcher K4 is a domestic electric pressure washer; the Rhino TQ3 is a 110V infrared site heater.
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