Durable Used CAT 304CR Mini Digger Original USA Brand

Description

1. Basic Specifications​

Model Name: Caterpillar 304CR Mini Hydraulic Excavator​

Equipment Type: Crawler-type Micro/Small Hydraulic Excavator (Approx. 4-ton Class)​

📌 Weight​

Operating Weight: Approx. 4,090 kg (Transport Configuration)​

Used Market Data: Approx. 4,935–10,850 lb (Approx. 4.5–4.9 ton Class)​

🔧 2. Power System​

Engine Brand: Mitsubishi / Cat Internally Calibrated Version (4-cylinder Naturally Aspirated)​

Engine Model: Mitsubishi S4L2-E2 (Recorded in Some Markets)​

Displacement: Approx. 1.76 L (1760 cm³)​

Net Power (ISO 9249): Approx. 26.5 – 31 kW (36 – 42 hp) @ 2400 rpm​

Rated Power: Approx. 27.3 – 31 kW (Slight Variations by Market/Calibration)​

🧱 3. Working Performance​

Parameter​	Value​
Maximum Digging Depth​	≈ 3,350 – 3,750 mm (Standard/Long Stick Combination)​
Maximum Ground Reach​	≈ 5,580 – 5,950 mm​
Maximum Dumping Height​	≈ 4,020 mm​
Maximum Dumping Radius​	≈ 4,720 mm​
Bucket Capacity​	Approx. 0.08 – 0.12 m³ (Depending on Bucket Option)​

💧 4. Hydraulic System & Power​

Item​	Value/Description
Main Hydraulic Pump Flow​	Data Varies by Version; Approx. 40–80 L/min (Based on pump type).
Operating Pressure​	Typical Hydraulic Working Pressure: Approx. 245 bar (Equipment/Travel)​
Bucket Breakout Force (Approx.)​	~36.6 kN (Approx. 8,228 lbf)​
Arm Digging Force (Approx.)​	~23.9 kN (Standard Bucket)​
Swing Speed​	~9.3–9.8 rpm​

📏 5. Dimensions (Typical Standard)​

Item​	Value (Approx.)​
Transport Length​	~5,170 – 5,710 mm​
Transport Width​	~1,980 mm​
Transport Height​	~2,460 – 2,550 mm​
Track Shoe Width​	~400 mm​
Ground Clearance​	~335 mm​
Rear Swing Radius​	Approx. 3,250–3,530 mm (Rear Overhang)​

🛢️ 6. Refill Capacities (Reference)​

Fuel Tank: Approx. 62–72 L​

Hydraulic Oil Tank: Approx. 70–91 L​

Engine Oil: Approx. 8.4 L​

Cooling System: Approx. 6 L

Shipping

FAQ

• Q

  What used construction machines do you mainly supply?

  A

  We supply used excavators, loaders, motor graders, road rollers, forklifts, etc.
• Q

  What brands of machines are available?

  A

  Our main brands include Caterpillar, Komatsu, Doosan, Hitachi, Kubota, Hyundai, Volvo, and other well-known brands.
• Q

  Do you export to overseas markets?

  A

  Yes, we have rich export experience and a professional shipping team. Our customers are from South America, Europe, Africa, and all over the world.
• Q

  How about the quality and price of your machines?

  A

  All our machines are in good working condition with reliable performance and competitive prices. All prices of the machine can be negotiated.