小松 PC 40 MR

### KOMATSU PC 40 MR‑2 / MR‑3 – Specifications - **Manufacturer**: Komatsu (Japan) - **Model**: PC40MR‑2 / MR‑3 (Mini Crawler Excavator) - **Operating Weight**: **4,540–4,790 kg** (10,000–10,560 lb) - **Standard Bucket Capacity**: **0.14–0.16 m³** #### Engine & Performance - **Engine Model**: Komatsu **4D88E‑5 / 4D88E‑6** (4‑cyl, diesel) - **Net Rated Power**: **29.4 kW (40 hp) @ 2,200 rpm** - **Emission Standard**: **Stage V / Tier 4** - **Max. Travel Speed**: **4.6 km/h (high) / 2.8 km/h (low)** - **Swing Speed**: **9.0 rpm** - **Bucket Digging Force**: **30.4 kN** #### Dimensions (mm) - **Max. Digging Depth**: **3,400 mm** - **Max. Digging Radius**: **5,520 mm** - **Overall Length**: **5,160–5,390 mm** - **Overall Width**: **1,560 mm** - **Overall Height (To Top of Cab)**: **2,550–2,625 mm** - **Track Width**: **400 mm** (rubber/steel track) - **Standard Arm Length**: **1,700 mm** #### Hydraulic System & Capacities - **Aux. Hydraulic Flow**: **36 L/min** - **Fuel Tank Capacity**: **65 L** - **Hydraulic Tank Capacity**: **55 L**