Head to head
Belle RTX 60R vs Karcher K5 Power Control Flex
The Belle RTX 60R is a honda petrol trench rammer. The Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
Last reviewed 13 September 2026
Specifications side by side
| Belle RTX 60R | Karcher K5 Power Control Flex | |
|---|---|---|
| Weight | 60 kg | 12.4 kg (without accessories) |
| Engine power | 3.7 - 2.7 (Hp) - (kW) | - |
| Blows per minute | 450 - 660 | - |
| Impact force | 13.6 kN | - |
| Max pressure | - | 20-145 bar |
| Max flow rate | - | 500 l/h |
| Area performance | - | 40 sq m per hour |
Sources: Belle RTX 60R, Karcher K5 Power Control Flex. Figures vary by model year and options, so check with the supplier before you commit.
Buy or hire the RTX 60R if...
A petrol trench rammer for compacting cohesive soil in trenches and around foundations. Used by groundworkers and utility contractors on narrow excavations.
Full RTX 60R specifications →Buy or hire the K5 Power Control Flex if...
The K5 sits in Karcher's mid-to-upper domestic range, bought outright by homeowners for regular patio, car and garden furniture cleaning rather than hired. It is frequently the model UK reviewers and retailers use as the benchmark domestic Karcher pressure washer.
Full K5 Power Control Flex specifications →Common questions
What is the difference between the Belle RTX 60R and the Karcher K5 Power Control Flex?
The Belle RTX 60R is a honda petrol trench rammer; the Karcher K5 Power Control Flex is a domestic electric pressure washer for patios, cars and outdoor cleaning.
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