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Programmatic Comparison · Engineering Brief
Technical duel: ARJES Impaktor 1250 E (electric VFD, 500kW, 160,000 Nm, 14t hooklift) vs Komptech Terminator 6000 (single-shaft diesel, 28t, CAT 440kW). Rebar wrapping, hardfacing downtime, TCO over 10,000 hours.
| Spec | ARJES Impaktor 1250 E | Komptech Terminator 6000 |
|---|---|---|
| Drive concept | Dual-shaft asynchronous VFD (electric) | Single-shaft low-speed diesel |
| Engine / motor | 2 × 335 HP asynchronous (VFD-controlled) | Caterpillar C13 ACERT (Stage V) |
| Drive power (kW) | 500 | 440 |
| Operating weight (t) | 14 (hooklift-compatible) | 28 (oversize permit) |
| Asynchronous torque baseline (Nm) | 160 000 (per-shaft VFD-modulated) | ~120 000 (single-shaft fixed) |
| Fuel / energy economy | 0.27 l/t equivalent (electric VFD) | ~30 l/h diesel (≈0.65 l/t) |
| Shaft cassette swap / repair (hrs) | 2 (quick-change cassette) | 96 (hardfacing cycle) |
| Service interval (hrs) | 500 | 250 |
| Material | ARJES Impaktor 1250 E | Komptech Terminator 6000 |
|---|---|---|
| C&D waste | 66-88 ST/h | 55-77 ST/h |
| RDF / refuse-derived fuel | 39-55 ST/h | 33-50 ST/h (Komptech advantage on fraction precision) |
| Reinforced concrete (with rebar) | On-demand shred | Not recommended (shaft-wrap risk) |
| Municipal solid waste | 44-61 ST/h | 39-55 ST/h |
Gate fees, landfill taxes, and electricity prices swing the verdict by ±30%. Run the live TCO model for your region to see real payback.
The 1250 E's VFD (Variable Frequency Drive) ramps the dual 250 kW motors from 0 to 1,500 rpm over 30–60 seconds on a programmable torque curve, holding inrush at 1.1× rated current. This eliminates the 6–8× inrush spike that direct-on-line electric starts impose on weak grids, allowing deployment on standard 20 kV industrial substations without a substation upgrade or trailing HV cable infrastructure.
Not recommended. The single-shaft design wraps rebar around the rotor, locking the shaft and triggering the 96-hour hardfacing cycle. The ARJES Impaktor 1250 E handles reinforced concrete on demand via its dual-shaft asynchronous kinematic and quick-change cassette system.
0.27 l/t is the published ARJES Impaktor fuel-economy floor — the reference point the dataset uses for mobile shredder efficiency. The Komptech Terminator 6000 burns approximately 30 l/h of diesel at typical C&D load, which translates to ~0.65 l/t at 50 t/h throughput — a 2.4× energy penalty that drives a 195,000 EUR diesel-cost delta over a 10,000-hour horizon at EU pricing.
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