Cat® 305.5E2 Mini Hydraulic Excavator

Basic Machine Parameters

[Dimensions & Weight] Overall Length 5765mm × Width 1950mm × Height 2540mm, Operating Weight 5400kg (standard model only, all optional accessories excluded)

I. Standard Configuration

Powertrain

Equipped with Cat C2.4 DI inline four-cylinder turbocharged diesel engine, displacement 2.4L, rated net power 32.9kW, peak torque 150N·m, mechanical electronic fuel injection. It complies with China National Stage III and Europe & America Stage IIIA off-road low emission standards. Adopts load-sensing dual variable hydraulic pump direct drive without gearbox. Travel motors integrate oil-immersed multi-disc parking brakes with floating single upper track roller; left and right independent travel brake locks are standard. The travel braking system meets ISO safety standards for small construction machinery.

Hydraulics & Working Equipment

Adopts load-sensing dual variable displacement piston hydraulic pumps with a 58L hydraulic oil tank. Fitted with travel shock-absorbing valves, real-time oil circuit pressure monitoring and dual-stage suction & return oil filtration system. Standard assembly of 3.2m boom and 1.5m stick, matched with 0.22m³ light earthmoving bucket. Bucket breakout force reaches 35kN and maximum dump height is 4150mm. Integrated front dozer blade with floating function for site leveling.

Machine Configuration

Fully enclosed safety cab with ROPS/FOPS rollover and falling-object protection structure, equipped with constant temperature air conditioner, suspended shock absorption operator seat and COMPASS digital fault code monitoring display. The whole machine adopts 12V DC electrical system, equipped with real-time monitoring and alarm modules for engine load, hydraulic oil temperature and pressure. Standard short-radius compact undercarriage, factory-fitted 400mm rubber block track shoes, minimum tail swing radius 1480mm.

Service Capacities

Engine oil: 9.5L
Total hydraulic system oil: 85L
Travel motor gear oil: 3.0L per side
Swing motor gear oil: 1.6L
Coolant: 9.8L

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

Cab Options

1. Remote central door lock: +3kg weight, unchanged overall dimensions

2. Proportional multi-function pilot control levers: +5kg weight, unchanged overall dimensions

3. On-board radio audio system: +4kg weight, unchanged overall dimensions

4. Heated seat & heated rearview mirrors: +7kg weight, unchanged overall dimensions

5. Single-side rearview monitoring camera: +2kg weight, unchanged overall dimensions

6. Steel protective window mesh: +12kg weight, width +20mm, height unchanged

7. Foldable sun visor canopy: +26kg weight, overall height +180mm

Travel & Drivetrain Options

1. Reinforced heavy-duty hydraulic travel motors: +15kg per side, total machine weight +30kg, unchanged dimensions

2. Reversible cooling fan: +6kg weight, unchanged dimensions

3. Heavy-duty dust-proof air cleaner: +8kg weight, overall height +30mm

4. Sealed high-low temperature cooling kit: +13kg weight, unchanged dimensions

5. Widened 500mm steel track shoes (replacement for standard 400mm rubber track shoes): overall width +100mm, total weight +118kg

Working Equipment Options

1. Auxiliary hydraulic piping for hydraulic breakers: +10kg weight, unchanged dimensions

2. Narrow trenching bucket (replacement for standard earthmoving bucket): -16kg weight, unchanged overall length

3. Reinforced rock bucket (replacement for standard earthmoving bucket): +20kg weight, unchanged overall length

4. Extended 3.8m boom / 1.9m stick (replacement for standard 3.2m boom + 1.5m stick): overall length +360mm, +78kg weight

5. Thickened wear-resistant bucket teeth & side guards: +14kg weight, unchanged dimensions

6. Angle tilt dozer blade (replacement for standard floating dozer blade): overall width +60mm, +40kg weight

Safety & Special Site Options

1. ID chip anti-theft immobilizer system: +3kg weight, unchanged dimensions

2. Remote fault diagnosis & program calibration module: +5kg weight, unchanged dimensions

3. High-brightness auxiliary work lights for night operation: +7kg weight, overall height +40mm

4. Low-temperature cold start preheating kit: +6kg weight, unchanged dimensions

5. Reinforced thickened boom frame: +62kg weight, overall length +50mm

6. Complete wear-resistant mining steel tracks: overall width +100mm, +132kg weight

7. Full machine anti-collision protective guard frame: +40mm width on each side (total width +80mm), +148kg weight