700 kg Soil Compactors

A 700 kg soil compactor is a heavy reversible machine with an operating weight of roughly 650–750 kg and 70–90 kN of centrifugal force, compacting a soil or aggregate layer about 60–75 cm thick in a single pass. Lighter 100–200 kg models are usually single-direction plates rated at 15–40 kN that handle thinner layers of 15–40 cm — enough for paving blocks, pavements and domestic jobs. The 700 kg class belongs on foundations, embankments and industrial yards, where a deeper and more reliable load-bearing layer is required, and its weight already dictates trailer transport rather than carrying by hand.

Single-direction compactors are practically absent from the weight class around 700 kg — the segment consists solely of reversible (bi-directional) models that travel forward and backward without the plate being turned by hand. Reversible travel lets a machine of 650–750 kg producing 70–90 kN work efficiently across large open surfaces such as embankments, yards and road sub-bases, compacting a 60–75 cm layer in both travel directions. Single-direction designs normally stop at around 150–200 kg, because above that weight turning the plate by hand becomes impractical for the operator.

Soil compactors weighing around 700 kg are used wherever large surfaces need deep, durable compaction: foundations for warehouse and industrial buildings, road embankments, sub-bases under car parks, and industrial or storage yards. With 70–90 kN of centrifugal force the machine compacts a 60–75 cm layer in one pass, so a typical 40–60 cm sub-base takes one or two passes instead of the several needed with lighter equipment. The class also handles backfill around large pipelines and tanks, where depth and hourly output count equally.

Moving a soil compactor weighing 650–750 kg requires a trailer rated from roughly 750 kg upwards and type-approved for construction equipment — carrying or loading the machine by hand is out of the question. Loading and unloading is done with a forklift, a lorry-mounted crane or ramps rated for at least 1000 kg, never by several people lifting together. Machines in this class normally have transport handles and lifting eyes for slings, which makes it safe to crane them onto sites with no vehicle access.

In heavy reversible compactors Wacker Neuson emphasises structural durability and a broad weight range from 100 to 800 kg, which makes it easier to match a machine to a given layer thickness. Bomag focuses on heavy machines with real-time compaction measurement, letting the crew verify sub-base quality without separate testing. In the 700 kg class both makers offer diesel power (Hatz-type engines) and, in the heavier 600–800 kg variants, a hydraulic travel system that makes a machine of several hundred kilograms easier to steer over uneven ground.

Keeping a heavy soil compactor running means changing the engine oil, the air and fuel filters and the spark plugs or, on diesel units, the injectors — the first service usually falls after about 20 operating hours, later ones every 100–200 hours. Added to that are the V-belts driving the exciter, the seals of the hydraulic travel system, and the rubber or polyurethane pads that protect the surface under the base plate. NORWIT.PL also stocks ready-made compactor service packages, such as the service kit for the Bomag B compactor, which bundles the most frequently replaced parts into one set.

A soil compactor of around 700 kg reaches a layer thickness of roughly 60–75 cm in a single pass on non-cohesive soils such as sand or gravel, with centrifugal force in the 70–90 kN range. On cohesive soils (clay, silt) the effective depth drops, typically by 15–20 cm, and a rammer often compacts such ground better than a vibratory plate. Manufacturers advise spreading material in 20–30 cm lifts before compaction and making 2–3 passes over the same area to achieve uniform density throughout the depth.

Operating a 700 kg soil compactor in Poland calls for no state licence of the kind required from crane operators, but the employer must train the operator in line with health and safety rules for construction machinery and hand over the manual for the specific model. A machine of 650–750 kg producing 70–90 kN transmits vibration into the operator's hands and arms, so working time limits consistent with PN-EN ISO 5349 and anti-vibration gloves are recommended. Companies working on public contracts frequently add on-the-job training confirmed by an internal certificate.