Used Komatsu 600-6Loader

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🏭 Overview

The Komatsu WA600-6 is one of the largest wheel loaders in Komatsu's 6th generation ("-6") product line. Designed for heavy-duty mining, quarrying, and large-scale construction, it delivers exceptional productivity, durability, and fuel efficiency. It is the flagship of Komatsu's large wheel loader range, sitting above the WA500-6.

Specification	Details
Model	WA600-6 (also called 600-6)
Manufacturer	Komatsu Ltd. (Japan)
Generation	6th Generation (-6 Series)
Category	Large Wheel Loader
Primary Use	Mining, Quarry, Large Construction

& Engine Specifications

Parameter	Details
Engine Model	Komatsu SAA6D140E-5
Type	6-cylinder, turbocharged, aftercooled diesel
Displacement	14.0 liters
Rated Power	~353 kW (473 hp) @ 1,800 rpm
Peak Power	~373 kW (500 hp)
Torque	~2,250 N·m @ 1,200 rpm
Emissions	EPA Tier 4 Final / EU Stage V compliant
Fuel Tank Capacity	~750 liters (198 US gal)

The SAA6D140E-5 is a proven, reliable engine known for excellent torque characteristics at low RPM — ideal for heavy loading cycles.

📐 Dimensions & Weight

Parameter	Value
Operating Weight	~60,000 – 63,000 kg (132,000 – 139,000 lbs)
Overall Length (w/ bucket)	~10,500 mm (34.4 ft)
Overall Width	~3,490 mm (11.5 ft)
Overall Height (to cab roof)	~3,640 mm (12.0 ft)
Wheelbase	~3,800 mm (12.5 ft)
Ground Clearance	~500 mm (19.7 in)
Tire Size	23.5-25 or 26.5-25 (radial)

🪣 Bucket & Work Equipment

Parameter	Details
Standard Bucket Capacity	3.8 – 5.7 m³ (5.0 – 7.5 yd³)
Bucket Width	Up to 3,500 mm (138 in)
Material Bucket Options	Rock, coal, general purpose, light material
Forks Available	Yes (for pallet handling)
Quick Coupler	Optional

| Performance | Value ||---|| Rated Payload | ~30,000 kg (66,100 lbs) || Tipping Load (50%) | ~30,000 kg (66,100 lbs) || Breakout Force | ~190 – 200 kN (42,700 – 45,000 lbf) || Full Dump Height | ~3,400 mm (11.2 ft) || Angle Dump Height | ~5,000 mm (16.4 ft) || Dump Reach | ~1,200 mm (47 in) || Dig Depth | ~250 mm (10 in) |

🔧 Transmission & Hydraulics

System	Details
Transmission Type	Powershift (Full Power Shift)
Speeds	4 Forward / 4 Reverse
Top Speed (Fwd/Rev)	~36 km/h (22 mph) / ~37 km/h (23 mph)
Hydraulic System	Load-sensing, closed-center
Work Pumps	2 variable-displacement axial piston pumps
Steering Pump	1 gear pump
Brake Pump	1 gear pump
Total Hydraulic Flow	~570 L/min (150 US gpm)
System Pressure	35 MPa (5,076 psi)

🛞 Chassis & Undercarriage

Feature	Details
Articulation	Central pivot, oscillating frame
Articulation Angle	±35° (±40° with steering lock)
Axle Configuration	Rigid front & rear axles
Steering Type	Articulated (oscillating frame)
Brakes	Wet disc, oil-cooled, sealed
Differential Lock	Optional rear axle diff lock

🖥️ Komatsu Smart Construction Technology

The WA600-6 is equipped with Komatsu's latest intelligent machine control systems:

Technology	Function
KOMTRAX	Remote machine monitoring, location tracking, hour meter, diagnostics via satellite/cellular
Auto-Shift	Automatically selects optimal gear for fuel efficiency and productivity
Eco Mode	Reduces engine RPM during light load conditions — saves up to 10-15% fuel
Payload Management (optional)	Real-time bucket weight monitoring with in-cab display
KOMTRAX GROUND Planner	3D terrain modeling and work planning
K-CONNECT	Fleet management & remote diagnostics
Camera System	Rearview & 360° optional camera for safety
Grade Control (optional)	GPS/GNSS-based automatic bucket leveling

🛋️ Operator Cab & Comfort

Feature	Details
Cab Type	ROPS/FOPS certified, pressurized
Air Conditioning	Full climate control with auto-mode
Seat	Air-suspended, heated, with armrests
Display	10.1" color LCD monitor (multi-function)
Controls	Joystick-style lever controls (optional)
Noise Level	~72 dB(A) (very quiet for its class)
Visibility	Excellent all-around visibility with large glass areas
USB/Bluetooth	Standard connectivity

📊 Performance Summary

Metric	Value
Cycle Time (loaded)	~12 – 16 seconds
Productivity (typical)	300 – 500 tonnes/hour (depending on material & bucket)
Fuel Consumption	~45 – 65 L/hr (12 – 17 US gal/hr)
Service Interval	500 hours (oil), 1,000 hours (filters)
Engine Oil Capacity	~42 liters
Hydraulic Oil Capacity	~290 liters
Coolant Capacity	~65 liters

🏗️ Typical Applications

Application	Details
🪨 Mining	Loading haul trucks (100–200 ton class)
🏗️ Quarry	Rock loading, stockpiling
🏢 Large Construction	Highway, dam, airport projects
♻️ Waste & Recycling	Bulk material handling
🪵 Logging	Large log loading (with fork)
🏭 Steel Mills	Scrap metal handling

✅ Key Advantages

Advantage	Description
💪 Massive Breakout Force	~200 kN — handles the toughest materials
⛽ Fuel Efficient	Eco Mode + Auto-Shift save significant fuel
🔧 Easy Maintenance	Ground-level service points, wide-open engine compartment
📡 Connected	KOMTRAX & Smart Construction for fleet management
🛡️ Durable	Heavy-duty frame, reinforced buckets, long service intervals
💺 Comfortable	One of the best cabs in the industry for operator productivity

🆚 Comparison with Competitors

Model	Operating Weight	Power	Bucket
Komatsu WA600-6	~60,000 kg	473 hp	5.7 m³
CAT 994K	~62,000 kg	518 hp	6.1 m³
Volvo L250H	~55,000 kg	460 hp	5.0 m³
Liebherr L 586	~58,000 kg	455 hp	4.5 m³

💰 Approximate Pricing

Region	Price Range (USD)
New Machine	$800,000 – $1,100,000+ (depending on configuration)
Used (2015-2020)	$350,000 – $650,000

Prices vary by region, options, and dealer.

📋 Summary

The Komatsu WA600-6 is a workhorse — one of the most productive and fuel-efficient large wheel loaders in the world. With ~473 hp, ~200 kN breakout force, and up to 5.7 m³ bucket capacity, it's built to dominate in the toughest mining and quarry environments. Combined with Komatsu's Smart Construction technology, it offers unmatched productivity, visibility, and operational control.

Would you like more details on any specific aspect — such as maintenance schedule, attachment options, or comparison with a specific competitor? 🚜