# Caterpillar 304E2CR for Sale in Piscataway, NJ **URL:** ## Listing details - **Price:** $52,500.00 USD - **Listing ID:** 79700236 - **Manufacturer:** Caterpillar - **Model:** 304E2CR - **Category:** Mini Excavators - **Hours:** 793 - **Serial number:** ME407731 - **Location:** Piscataway, NJ ## Description Air Conditioner, Auxiliary Hydraulics Pressure, Coupler Type - Mechanical, Lighting, REAR VIEW CAMERA, Rubber Track ## Machine details ### GENERAL APPEARANCE - **Standard Lift:** . ### SAFETY ITEMS - **ROPS:** Yes - **ROPS Certification Plate:** Yes ### OPERATOR STATION - **Current O&MM:** Yes ### ENGINE - **Blow By:** No - **Knocking:** No - **Oil Leaks:** No - **Water in Oil:** No ### COOLING SYSTEM - **Coolers:** Good - **Radiator:** Good - **Water Pump:** Good ### ELECTRICAL, STARTING AND CHARGING SYSTEM - **Block Heater:** Yes ### HYDRAULICS - **Boom Cylinder:** Poor - **Bucket Cylinder:** Good - **Control Linkage:** Good - **Hose Lines:** Good - **Operating Condition - HYDRAULICS:** Good - **Pump Drive:** Good - **Pumps & Valves:** Good - **Stick Cylinder:** Good - **Swing Gear:** Good - **Swing Motors:** Good - **Travel Motors:** Good ### BOOM - **Boom Condition:** Good - **Boom Pins:** Good - **Pins & Bushings - BOOM:** Good ### STICK - **Pins & Bushings - STICK:** Good - **Stick Conditions:** Good ### BUCKET - **Quick Coupler:** Yes ### UNDERCARRIAGE - **Pins & Bushings Turned?:** No ### COMMENTS, MISC. REPAIRS, GENERAL REMARKS - **Pins & Bushings Turned?:** . - **Pins & Bushings Turned?:** INSPECTED 6/17/25 @ 793.2 HRS - **Pins & Bushings Turned?:** AUX HYD - **Pins & Bushings Turned?:** AM FM BT ## Manufacturer specifications ### Air Conditioning System - **Air Conditioning:** The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a (Global Warming Potential = 1430). The system contains 1.0 kg of refrigerant which has a CO2 equivalent of 1.4 metric tonnes. ### Blade - **Dig Depth:** 18.5 in (46.99 cm) - **Height:** 12.8 in (32.51 cm) - **Lift Height:** 15.7 in (39.88 cm) - **Width:** 6.4 ft (1.95 m) ### Cab - **Dynamic Operator Sound Pressure Level (Iso 6396:2008):** 81 dB(A) - **Exterior Sound Power Level - Iso 6395:2008\*:** 96 dB(A) - **Note:** \*European Union Directive 2000/14/EC ### Certification - Cab And Canopy - **Roll Over Protective Structure (Rops):** ISO 12117-2 - **Tip Over Protective Structure (Tops):** ISO 12117 - **Top Guard:** ISO 10262 (Level I) ### Dimensions - Long Stick - **Boom Height - Shipping Position:** 70 in (177.8 cm) - **Boom In Reach:** 87 in (220.98 cm) - **Boom Swing - Left:** 26 in (66.04 cm) - **Boom Swing - Right:** 29 in (73.66 cm) - **Dig Depth:** 135 in (342.9 cm) - **Maximum Blade Depth:** 19 in (48.26 cm) - **Maximum Blade Height:** 16 in (40.64 cm) - **Maximum Dig Height:** 200 in (508 cm) - **Maximum Dump Clearance:** 145 in (368.3 cm) - **Maximum Reach:** 220 in (558.8 cm) - **Maximum Reach - Ground Level:** 215 in (546.1 cm) - **O/A Shipping Height:** 98 in (248.92 cm) - **O/A Shipping Length:** 194 in (492.76 cm) - **O/A Track Width:** 77 in (195.58 cm) - **O/A Undercarriage Length:** 87 in (220.98 cm) - **Swing Bearing - Height:** 22 in (55.88 cm) - **Tail Swing:** 38 in (96.52 cm) - **Track Belt/Shoe Width:** 14 in (35.56 cm) - **Vertical Wall:** 101 in (256.54 cm) ### Dimensions - Standard Stick - **Boom Height - Shipping Position:** 58 in (147.32 cm) - **Boom In Reach:** 83 in (210.82 cm) - **Boom Swing - Left:** 26 in (66.04 cm) - **Boom Swing - Right:** 29 in (73.66 cm) - **Dig Depth:** 123 in (312.42 cm) - **Maximum Blade Depth:** 19 in (48.26 cm) - **Maximum Blade Height:** 16 in (40.64 cm) - **Maximum Dig Height:** 196 in (497.84 cm) - **Maximum Dump Clearance:** 141 in (358.14 cm) - **Maximum Reach:** 211 in (535.94 cm) - **Maximum Reach - Ground Level:** 206 in (523.24 cm) - **O/A Shipping Height:** 98 in (248.92 cm) - **O/A Shipping Length:** 190 in (482.6 cm) - **O/A Track Width:** 77 in (195.58 cm) - **O/A Undercarriage Length:** 87 in (220.98 cm) - **Swing Bearing - Height:** 22 in (55.88 cm) - **Tail Swing:** 38 in (96.52 cm) - **Track Belt/Shoe Width:** 14 in (35.56 cm) - **Vertical Wall:** 95 in (241.3 cm) ### Engine - **Bore:** 3.4 in (8.64 cm) - **Displacement:** 146 cu in (2392.52 cu cm) - **Emissions:** \*Meets U.S. EPA Tier 4 Final/EU Stage IIIA emission standards. - **Engine Model:** Cat C2.4 - **Gross Power - Iso 14396:** 41.8 hp (31.17 kw) - **Net Power:** 40.2 hp (29.98 kw) - **Rated Net Power - 2,200 Rpm - Iso 9249/Eec 80/1269:** 40.2 hp (29.98 kw) - **Stroke:** 4 in (10.16 cm) ### Hydraulic System - **Auxiliary Circuit - Primary (186 Bar/2,734 Psi):** 18.5 gpm (70.02 lpm) - **Auxiliary Circuit - Secondary (174 Bar/2,524 Psi):** 6.6 gpm (24.98 lpm) - **Digging Force - Bucket:** 8498 lbs (3853.97 kg) - **Digging Force - Stick - Long:** 4384 lbs (1988.21 kg) - **Digging Force - Stick - Standard:** 4856 lbs (2202.27 kg) - **Hydraulic System Type:** Load Sensing Hydraulics with Variable Displacement Piston Pump - **Operating Pressure - Equipment:** 3553 psi - **Operating Pressure - Swing:** 3132 psi - **Operating Pressure - Travel:** 3553 psi - **Pump Flow At 2,200 Rpm:** 26.4 gpm (99.92 lpm) ### Lift Capacities At Ground Level - Lift Point Radius: 3000 Mm (118 In) - **Blade Down - Front:** 3462 lbs (1570.07 kg) - **Blade Down - Side:** 2007 lbs (910.2 kg) - **Blade Up - Front:** 1808 lbs (819.95 kg) - **Blade Up - Side:** 1808 lbs (819.95 kg) ### Lift Capacities At Ground Level - Lift Point Radius: 4500 Mm (177 In) - **Blade Down - Front:** 1896 lbs (859.86 kg) - **Blade Down - Side:** 1058 lbs (479.82 kg) - **Blade Up - Front:** 948 lbs (429.93 kg) - **Blade Up - Side:** 948 lbs (429.93 kg) ### Operating Specifications - **Stick Length - Long:** 64 in (162.56 cm) - **Stick Length - Standard:** 52 in (132.08 cm) ### Operational - **Operating Weight:** 8996 lbs (4079.82 kg) ### Service Refill Capacities - **Cooling System:** 1.5 gal (5.68 l) - **Engine Oil:** 2.5 gal (9.46 l) - **Fuel Tank:** 12.2 gal (46.18 l) - **Hydraulic System:** 17.2 gal (65.1 l) - **Hydraulic Tank:** 11.2 gal (42.39 l) ### Swing System - **Boom Swing - Left - With Stop\*:** 55 degrees - **Boom Swing - Left - Without Stop\*:** 70 degrees - **Machine Swing Speed:** 10 rpm - **Note:** \*Automatic swing brake, spring applied, hydraulic release. ### Travel System - **Gradeability - Maximum:** 30 degrees - **Ground Pressure - Cab:** 4.3 psi - **Ground Pressure - Canopy:** 4.1 psi - **Maximum Traction Force - High Speed:** 3799 lbs (1722.9 kg) - **Maximum Traction Force - Low Speed:** 6969 lbs (3160.54 kg) - **Travel Speed - High:** 3.2 mph (5.15 kph) - **Travel Speed - Low:** 2.1 mph (3.38 kph) ### Undercarriage - **Number Of Carrier Rollers:** 1 - **Number Of Track Rollers:** 4 - **Track Roller Type:** Center Flange ### Weights\* - **Note:** \*Weight includes counterweight, rubber tracks, bucket, operator, full fuel and auxiliary lines. - **Weight - Cab, Long Stick:** 8996 lbs (4079.82 kg) - **Weight - Cab, Standard Stick:** 8930 lbs (4049.89 kg) - **Weight - Canopy, Long Stick:** 8721 lbs (3955.1 kg) - **Weight - Canopy, Standard Stick:** 8655 lbs (3925.17 kg) ## About this model The Caterpillar 304E2 CR is a compact mini excavator designed for construction, utility, landscaping, and site preparation work in confined spaces. It features a reduced tail swing design for improved maneuverability near walls, roads, and other obstacles. The 304E2 CR is part of Caterpillar's 4-ton class mini excavator lineup and is commonly used for digging, trenching, grading, and material handling. Typical configurations include a diesel engine, hydraulic auxiliary circuits, and a comfortable operator station. Its compact size, transportability, and versatility make it suitable for urban job sites and applications requiring precise control in limited working areas. ## Photos ![Caterpillar 304E2CR](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iMTFhNjNiNzlhNGM5MDgzOTZkODAwMjFlYzVjODRmYyYkdHh0PUZPTEVZJTJDJTIwSU5DLiYzMTE3Nw==) ![Caterpillar 304E2CR photo 2](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04NDdlNzViNGEyNTJhYjkzODRlNmQ1MjViMjdjN2JiOSYkdHh0PUZPTEVZJTJDJTIwSU5DLiYxMTEzNA==) ![Caterpillar 304E2CR photo 3](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hYjQ3NzRmZDFhOTQ0MmY0OWNhMzk3MjAxYmJmZTJkMSYkdHh0PUZPTEVZJTJDJTIwSU5DLiY4Nzkx) ![Caterpillar 304E2CR photo 4](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1kZmI1OGE0Y2ZlM2Y5ZjFlOWQ4MmU1OTczNjhjYTdiZiYkdHh0PUZPTEVZJTJDJTIwSU5DLiY3MjQ1) ![Caterpillar 304E2CR photo 5](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iZjQzZTM2OTYyMTA0NzI5Y2EyNjNlNTU0NGYzMWIxMyYkdHh0PUZPTEVZJTJDJTIwSU5DLiY0MjgwNw==) ![Caterpillar 304E2CR photo 6](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ZDdkZmMyZDdlZWZjOTEwOTQzZGZlZjNlNjc5MjBiZCYkdHh0PUZPTEVZJTJDJTIwSU5DLiY1NjY3OA==) ![Caterpillar 304E2CR photo 7](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hNDQ5NWUxYTMzMjVlNDIxZGM3ZDc4M2JkODZhM2FiNyYkdHh0PUZPTEVZJTJDJTIwSU5DLiYzOTI4NQ==) ![Caterpillar 304E2CR photo 8](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iNWNmYzFiM2ZiY2MwNmVkODZmZmYxOTcxODkzYTczMCYkdHh0PUZPTEVZJTJDJTIwSU5DLiY1MjU3MQ==) ![Caterpillar 304E2CR photo 9](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jYWFmNjkwMmQ2MmIxMWQ2ZTRjOWY0ODhkNGYxNWRhNiYkdHh0PUZPTEVZJTJDJTIwSU5DLiY2NTA0Mg==) ![Caterpillar 304E2CR photo 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