KATO（カトウ・加藤製作所） NK 500 E-3

### KATO NK500E-III Technical Specifications #### 1. General Information - **Model**: KATO NK500E-III - **Type**: All-terrain Mobile Crane - **Manufacturer**: KATO (Japan) - **Production Year**: 1988–1999 - **Max Lifting Capacity**: **50 tons** (at 3m load radius) #### 2. Lifting System - **Main Boom**: 5-section, telescopic U-type - **Basic Length**: 10.8 m - **Max Extended Length**: **40 m** - **Jib (Auxiliary Boom)**: Insertable type - **Length**: **15 m** - **Max Lifting Height**: - Main boom: **39.8 m** - Main boom + Jib: **54.7 m** - **Max Load Moment**: **1,600 kN·m** - **Boom Luffing Time**: 60 s (full extension) - **Winches**: 2 drums (main & auxiliary) - **Rope Speed**: **120 m/min** - **Line Pull**: 120 kN (main winch) #### 3. Engine & Powertrain - **Engine Make**: Mitsubishi - **Engine Model**: **8DC8-2A** - **Type**: V8, 4-stroke, Diesel - **Displacement**: **14,886 cc** (14.89 L) - **Max Power**: **290 hp** (216 kW) @ 2,300 rpm - **Max Torque**: 1,100 N·m @ 1,400 rpm - **Emission Standard**: Euro 1 - **Transmission**: 10-speed manual synchromesh (10F+2R) - **Clutch**: Dual-plate, dry type #### 4. Chassis & Dimensions - **Chassis Configuration**: 8×4 (8 wheels, 4-wheel drive) - **Axles**: 4 axles - **Wheelbase**: **5,650 + 1,350 mm** - **Overall Dimensions (Transport)**: - **Length**: 12,100 mm - **Width**: 2,750 mm - **Height**: 3,500 mm - **Track Gauge (Front/Rear)**: 2,340 / 2,340 mm - **Turning Radius (Tail)**: **3,690 mm** #### 5. Weight & Counterweight - **Operating Weight**: **38,000 kg** - **Gross Vehicle Weight (GVW)**: **49,000 kg** - **Counterweight (Total)**: **11,000 kg** - Configuration: 4.5t + 3t + 3.5t (removable sections) #### 6. Suspension & Brakes - **Suspension**: Leaf spring / Leaf spring (front & rear) - **Braking System**: Pneumatic drum brakes (all wheels) - **Parking Brake**: Spring-loaded pneumatic brake - **Steering**: Hydraulic power steering (2-axle steering) #### 7. Tires & Mobility - **Tire Size**: **11.00-20** (10PR, dual tires on all axles) - **Max Travel Speed**: **65 km/h** - **Gradeability**: 45% - **Fuel Tank Capacity**: **400 L** #### 8. Cabin & Controls - **Cabin**: Enclosed type with heater - **Steering Column**: Height-adjustable - **Seat**: Driver's seat (mechanical suspension) - **Instrumentation**: Analogue gauges + Tachometer - **Radio**: Standard AM/FM radio #### 9. Safety Features - **Outriggers**: H-type hydraulic outriggers - **Outrigger Span**: 6.0 m (long) × 5.6 m (trans) - **Brakes**: Differential lock (rear axle) - **Retarder**: Exhaust retarder (optional) - **Safety Devices**: Overload protection, emergency stop