Cat® 349D L Hydraulic Excavator

Basic Machine Parameters

[Dimensions & Weight] Overall Length 12450mm × Width 3640mm × Height 3680mm, Operating Weight 46285kg (standard configuration only, excluding all optional accessories)

I. Standard Configuration

Powertrain

Equipped with Cat C13 ACERT inline six-cylinder turbocharged diesel engine, displacement 12.5L, rated net power 283kW, peak torque 1620N·m, high-pressure common rail electronic fuel injection with ACERT exhaust treatment technology, complying with China National Stage III and EU Stage IIIA off-road emission standards. Adopts dual load-sensing variable hydraulic pump direct drive layout without gearbox. Travel motors integrate oil-immersed multi-disc parking brakes with standard independent left & right travel brake locks; travel braking system meets ISO safety standards for large construction machinery. Standard hydraulic automatic track tensioner.

Hydraulics & Working Equipment

Dual load-sensing variable displacement piston hydraulic pumps, 243L hydraulic oil tank, total hydraulic system capacity 570L. Fitted with travel shock-absorbing valves, real-time main circuit pressure monitoring and three-stage suction & return oil filtration system. Standard assembly of 7.4m boom and 4.3m stick, matched with 1.8m³ general earthmoving bucket. Bucket breakout force 278kN, stick breakout force 245kN, maximum dump height 7870mm, maximum digging depth 8920mm. No front dozer blade equipped.

Machine Configuration

Fully enclosed shock-absorbing ROPS/FOPS safety cab with rollover and falling-object protection. Standard constant temperature air conditioner, suspended high-back shock absorption operator seat and LCD digital fault code monitor display. The whole machine adopts a 24V DC electrical system, equipped with real-time monitoring & alarm modules for engine load, hydraulic oil temperature and main pump pressure. Standard long undercarriage, factory-fitted 750mm triple-grouser steel track shoes, minimum rear swing radius 3770mm, maximum travel speed 4.7km/h.

Service Capacities

Engine oil: 42L
Total hydraulic system oil: 570L
Travel motor gear oil: 15L per side
Swing motor gear oil: 10L
Coolant: 35.5L
Fuel tank capacity: 705L

II. Optional Configuration (Dimension & Weight Increment Marked for Each Item)

Cab Options

1. Remote central door lock: +7kg weight, unchanged overall dimensions
2. Proportional multi-function pilot control levers: +11kg weight, unchanged overall dimensions
3. On-board Bluetooth radio audio system: +8kg weight, unchanged overall dimensions
4. Heated seat & electrically heated rearview mirrors: +16kg weight, unchanged overall dimensions
5. Single-side rearview monitoring camera: +5kg weight, unchanged overall dimensions
6. High-strength steel protective window mesh: +33kg weight, width +60mm, height unchanged
7. Foldable sunshade protective canopy: +48kg weight, overall height +280mm

Travel & Undercarriage Options

1. Reinforced heavy-duty hydraulic travel motors: +34kg per side, total weight +68kg, unchanged dimensions
2. Automatic reversible cooling fan: +15kg weight, unchanged dimensions
3. Multi-stage heavy-duty dust-proof air cleaner: +22kg weight, overall height +70mm
4. Sealed low-temperature cooling kit for frigid areas: +33kg weight, unchanged dimensions
5. Widened 850mm triple-grouser track shoes (replacement for standard 750mm tracks): overall width +100mm, total weight +270kg
6. Extended long undercarriage assembly: overall length +450mm, +192kg weight

Working Equipment Options

1. Dual-circuit auxiliary hydraulic piping for hydraulic breakers: +24kg weight, unchanged dimensions
2. Narrow trenching bucket (replacement for standard earthmoving bucket): -70kg weight, unchanged overall length
3. Reinforced heavy rock bucket (replacement for standard earthmoving bucket): +108kg weight, unchanged overall length
4. Extended 8.0m boom / 4.9m stick (replacement for standard 7.4m boom + 4.3m stick): overall length +800mm, +190kg weight
5. Thickened wear-resistant bucket teeth & side guard assembly: +45kg weight, unchanged dimensions
6. Auxiliary hydraulic piping for demolition long front: +32kg weight, overall length +1020mm, +235kg weight

Safety & Special Site Options

1. ID chip anti-theft immobilizer system: +7kg weight, unchanged dimensions
2. Remote fault diagnosis & program calibration module: +11kg weight, unchanged dimensions
3. All-weather high-brightness LED auxiliary work light group: +22kg weight, overall height +80mm
4. -40°C ultra-low temperature cold start preheating kit: +18kg weight, unchanged dimensions
5. Reinforced thickened boom frame: +180kg weight, overall length +90mm
6. Complete mine heavy-duty wear-resistant steel tracks: overall width +100mm, +300kg weight
7. Full-machine full-coverage anti-collision protective frame: +60mm width on each side (total width +120mm), +310kg weight