Sumitomo LS-108RH

**Model**: SUMITOMO LS-108RH (LS-108RH-5) **Type**: Lattice boom crawler crane **Manufactured**: **Japan** (Sumitomo Heavy Industries Construction Cranes) ### 1. Lifting Capacity - **Rated max. lifting capacity**: **40.0 tons** (at 3.0m radius) - **Max. capacity at 5m radius**: 23.7 tons ### 2. Boom (Lattice Jib) - **Standard main boom length**: **10.0m – 30.0m** - **Boom sections**: 5-section lattice - **Max. tip height (basic boom)**: approx. **32.0m** ### 3. Counterweight - **Total counterweight**: **12.0 tons** (standard) - **Rear counterweight**: 8.0 tons - **Side counterweight**: 4.0 tons ### 4. Engine - **Model**: **Isuzu 6BD1** (diesel) - **Rated output**: **114 kW / 155 HP** @ 2000 RPM - **Emission**: JIS (Japanese Industrial Standard) ### 5. Crane Performance - **Boom hoist line pull**: 12.0 tons (single line) - **Swing speed**: 2.5 rpm (360° continuous) - **Travel speed (low/high)**: 0–2.5 km/h / 0–5.0 km/h - **Gradeability**: 30% (16.7°) ### 6. Dimensions & Weights - **Overall length (transport)**: 9.2m - **Overall width**: 3.5m - **Overall height**: 3.2m - **Track width**: 2.8m - **Track shoe width**: 700mm - **Operating weight (standard)**: **33.0 tons** ### 7. Hydraulics - **Full hydraulic drive system** - **Independent swing circuit** (Sumitomo original) - **Anti-two-block safety system** - **Load holding valves** (all functions) ### 8. Features - Quiet engine: **64 dB(A)** at 30m (2000 RPM) - Fully hydraulic controls (finger-tip operation) - Left/right independent track drive - Automatic boom stop & overload protection