# 2025 Caterpillar 304 for Sale in Aurora, CO **URL:** ## Listing details - **Price:** $85,000.00 USD - **Listing ID:** 88383486 - **Year:** 2025 - **Manufacturer:** Caterpillar - **Model:** 304 - **Category:** Mini Excavators - **Hours:** 204 - **Serial number:** AN405712 - **Location:** Aurora, CO ## Description \* LOW HOURS - LIKE NEW\*, 201/05/12/26, 2025 CATERPILLAR 304 EXCAVATOR, 304 07A MINI EXCAVATOR, ALARM, TRAVEL, ANTI-THEFT SECURITY,LOCKS, AS IS / AS RECEIVED, AUTO SWING BRAKE, CRUISE CONTROL, BATTERY 12V/880CCA W/DISCONNECT, BELT, SEAT, 3" RETRACTABLE, BLADE, ANGLE, BOCE, BOOM, SWING 16',3", BUCKET-HD, 12", 1.7 FT3, 3T, BUCKET-HD, 18", 2.9 FT3, 3T, BUCKET-HD, 24", 4.2 FT3, 3T, CAB, WITH HEAT, A/C, DEF, ROPS,, CAMERA, REAR VIEW, CAT KEY, WITH PASSCODE OPTION, CONSIGNMENT / BOGGS,KEVIN, CONTINUOUS AUXILIARY FLOW @25GPM, CONTROL, QC, 3 LINE, COUNTERWEIGHT, EXTRA, 500LBS, COUPLER PG,MANUAL SN#3099861-14, ELECTRICAL ARR, C1.7 HRC, ENGINE, EIS, ON DEMAND POWER,, ENGINE, EPA TIER 4 FINAL, ENGINE,C1.7, 48HP, TIER 4 FINAL, EXTERIOR MIRRORS, CAB FRAME, GRAB IRONS-DRAWBAR, SINGLE WIPER, HEADLINER W/INTERIOR LIGHT,, HIBACK SEAT,CLOTH AIR SUSPENSION, HOLDER, GREASE GUN, HYDRAULIC OIL, INTEGRATED RADIO V2, ISO HAND LEVERS & FOOT PEDALS, LIFTING EYE, 12V POWER PORT,, LIGHTS, LED, LIGHTS, LED, REAR WORK, LINES, BOOM, LINES, QC, LNG STK, 3 LINE, LINES, STICK, LINKAGE BUCKET W/LIFTING EYE, MONITOR NEXT GEN, CAMERA READY, Online Owner's Manual , PRODUCT LINK, CELLULAR PL243, RUBBER FLOOR MAT, SKYLIGHT,, SERIALIZED TECHNICAL MEDIA KIT, SLIDING RH WINDOW, LOAD SENSING, SOFTWARE, 2 WAY CONTROL, SOFTWARE, CODED START, SOFTWARE, PROPORTIONAL CONTROL, SOFTWARE, STICK STEER CONTROL, STICK, LONG, 1- AUX, ANGLE BLD, THUMB,HYD + COUPLER,PG,MAN,3T, TRACK, 14", RUBBER BELT, TRANSMISSION, HYDROSTATIC HI-LO, TRANSPORT TIE DOWN LOOPS, FRAME, WATER JACKET HEATER, 120V ## Machine details ### GENERAL APPEARANCE - **Cleaning Required:** Yes - **Extra Fuel Tanks:** No - **S.O.S. Taken:** No ### SAFETY ITEMS - **Cab Guards:** No - **ROPS:** Yes - **Safety Decals In Place:** Yes - **Safety Decals Legible:** Yes ### OPERATOR STATION - **Back Up Alarm:** Yes - **Current O&MM:** Yes - **Current Parts Manual:** No - **Current Safety Manual:** Yes - **ROPS Certification Plate:** Yes ### ENGINE - **Blow By:** No - **Compression in Radiator:** No - **Emissions Decal:** Yes - **Fluid Levels OK?:** Yes - **Knocking:** No - **Oil Leaks:** No - **Water in Oil:** No ### COOLING SYSTEM - **Leaks:** No ### ELECTRICAL, STARTING AND CHARGING SYSTEM - **Block Heater:** Yes - **Ether Aid:** No ### HYDRAULICS - **Boom Cylinder:** Good - **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 - **Tank:** Good - **Thumb Cylinder:** Good - **Travel Motors:** Good ### ATTACHMENTS / WORK TOOLS - **Auger:** No - **Claw:** No - **Crusher:** No - **Grapple:** No - **Hammer:** No - **Pulverizer:** No - **Rake:** No - **Ripper:** No - **Shear:** No - **Thumb:** Yes - **Tilting Ditch Bucket:** No - **Vibratory Plate:** No ### BOOM - **Boom Condition:** Good - **Boom Pins:** Good - **Pins & Bushings - BOOM:** Good ### STICK - **Pins & Bushings - STICK:** Good - **Stick Conditions:** Good - **Stick Pins:** Good ### BUCKET - **Brand:** All three buckets are Cat ### UNDERCARRIAGE - **Pins & Bushings Turned?:** No ### FINAL DRIVES - **Housings:** Good - **Planetaries / Diff:** Good ### COMMENTS, MISC. REPAIRS, GENERAL REMARKS - **comment 1:** This machine is like new, it just needs washed. - **comment 2:** This machine does have an angle blade. ## Manufacturer specifications ### Air Conditioning System - **Air Conditioning (since 2026):** The air conditioning system on this machine contains the fluorinated greenhouse gas refrigerant R134a or R1234yf (Europe) (Global Warming Potential = 1430). See label or instruction manual for gas refrigerant identification. The system contains 0.75 kg (1.65 lb), 0.90 kg (1.98 lb) or 1 kg (2.20 lb) of refrigerant which has a CO2 equivalent of 1.430 metric tonnes (1.576 tons) for R134a and 0.001 tonnes (0.001 tons) for R1234yf (Europe). ### Blade - **Angle Blade - Left (since 2026):** 25 degrees - **Angle Blade - Right (since 2026):** 25 degrees - **Angle Blade Height (since 2026):** 14.2 in (36.07 cm) - **Angle Blade Width (since 2026):** 66.9 in (169.93 cm) - **Straight Blade Height (since 2026):** 14.2 in (36.07 cm) - **Straight Blade Width (since 2026):** 66.9 in (169.93 cm) ### Certification - Cab And Canopy - **Roll Over Protective Structure (ROPS) (since 2026):** ISO 12117-2:2008 - **Top Guard (since 2026):** ISO 10262:1998 (Level I) ### Dimensions - **Height:** 8.25 ft (2.51 m) - **Length:** 15.8333 ft (4.83 m) - **Weight:** 8838 lbs (4008.85 kg) - **Width:** 6.5 ft (1.98 m) ### Dimensions - Long Stick - **Boom Height - Shipping Position (since 2026):** 75.2 in (191.01 cm) - **Boom In Reach (since 2026):** 92.1 in (233.93 cm) - **Boom Swing - Left (since 2026):** 20.9 in (53.09 cm) - **Boom Swing - Right (since 2026):** 28.7 in (72.9 cm) - **Dig Depth (since 2026):** 138.2 in (351.03 cm) - **Ground Clearance (since 2026):** 12 in (30.48 cm) - **Maximum Blade Depth (since 2026):** 18.7 in (47.5 cm) - **Maximum Blade Height (since 2026):** 16.5 in (41.91 cm) - **Maximum Dig Height (since 2026):** 201.8 in (512.57 cm) - **Maximum Dump Clearance (since 2026):** 147.2 in (373.89 cm) - **Maximum Reach (since 2026):** 219.3 in (557.02 cm) - **Maximum Reach - Ground Level (since 2026):** 214.4 in (544.58 cm) - **O/A Shipping Height (since 2026):** 100 in (254 cm) - **O/A Undercarriage Length (since 2026):** 87 in (220.98 cm) - **Overall Shipping Length\* (since 2026):** 194.9 in (495.05 cm) - **Stick Length (since 2026):** 66.7 in (169.42 cm) - **Swing Bearing - Height (since 2026):** 21.9 in (55.63 cm) - **Tail Swing with Counterweight (since 2026):** 51.2 in (130.05 cm) - **Tail Swing without Counterweight (since 2026):** 47.4 in (120.4 cm) - **Track Belt/Shoe Width (since 2026):** 13.8 in (35.05 cm) - **Track Width (since 2026):** 66.9 in (169.93 cm) - **Vertical Wall (since 2026):** 99.8 in (253.49 cm) ### Dimensions - Standard Stick - **Boom Height - Shipping Position (since 2026):** 63.8 in (162.05 cm) - **Boom In Reach (since 2026):** 88.8 in (225.55 cm) - **Boom Swing - Left (since 2026):** 20.9 in (53.09 cm) - **Boom Swing - Right (since 2026):** 28.7 in (72.9 cm) - **Dig Depth (since 2026):** 126.4 in (321.06 cm) - **Ground Clearance (since 2026):** 12 in (30.48 cm) - **Maximum Blade Depth (since 2026):** 18.7 in (47.5 cm) - **Maximum Blade Height (since 2026):** 16.5 in (41.91 cm) - **Maximum Dig Height (since 2026):** 198.4 in (503.94 cm) - **Maximum Dump Clearance (since 2026):** 143.5 in (364.49 cm) - **Maximum Reach (since 2026):** 209.8 in (532.89 cm) - **Maximum Reach - Ground Level (since 2026):** 204.7 in (519.94 cm) - **O/A Shipping Height (since 2026):** 100 in (254 cm) - **O/A Undercarriage Length (since 2026):** 87 in (220.98 cm) - **Overall Shipping Length\* (since 2026):** 194.9 in (495.05 cm) - **Stick Length (since 2026):** 54.9 in (139.45 cm) - **Swing Bearing - Height (since 2026):** 21.9 in (55.63 cm) - **Tail Swing with Counterweight (since 2026):** 51.2 in (130.05 cm) - **Tail Swing without Counterweight (since 2026):** 47.4 in (120.4 cm) - **Track Belt/Shoe Width (since 2026):** 13.8 in (35.05 cm) - **Track Width (since 2026):** 66.9 in (169.93 cm) - **Vertical Wall (since 2026):** 94.3 in (239.52 cm) ### Engine - **Bore (since 2026):** 3.3 in (8.38 cm) - **Displacement (since 2026):** 101 cu in (1655.1 cu cm) - **Emissions (since 2026):** Meets U.S. EPA Tier 4 Final and EU Stage V emission standards. - **Engine Model (since 2026):** C1.7 Turbo - **Gross Power - ISO 14396 (since 2026):** 48.4 hp (36.09 kw) - **Net Power (since 2026):** 45 hp (33.56 kw) - **Net Power - 2,400 rpm - ISO 9249, 80/1269/EEC (since 2026):** 45 hp (33.56 kw) - **Stroke (since 2026):** 3.9 in (9.91 cm) ### General Specifications - **Digging Depth (since 2025):** 11.5 ft (3.51 m) - **Digging Reach (since 2025):** 17.1 ft (5.21 m) - **Engine (since 2025):** 45 hp (33.56 kw) - **Operating Weight (since 2025):** 9,867 lbs (4475.6 kg) ### Hydraulic System - **Auxiliary Circuit - Primary - Flow (since 2026):** 21 gpm (79.49 lpm) - **Auxiliary Circuit - Primary - Pressure (since 2026):** 3553 psi - **Auxiliary Circuit - Secondary - Flow (since 2026):** 7 gpm (26.5 lpm) - **Auxiliary Circuit - Secondary - Pressure (since 2026):** 3553 psi - **Digging Force - Bucket (since 2026):** 8588 lbs ft (11643.61 nm) - **Digging Force - Stick - Long (since 2026):** 4316 lbs ft (5851.63 nm) - **Digging Force - Stick - Standard (since 2026):** 4721 lbs ft (6400.73 nm) - **Operating Pressure - Equipment (since 2026):** 3553 psi - **Operating Pressure - Swing (since 2026):** 2611 psi - **Operating Pressure - Travel (since 2026):** 3553 psi - **Pump Flow at 2,400 rpm (since 2026):** 25 gpm (94.63 lpm) - **Type (since 2026):** Load Sensing Hydraulics with Variable Displacement Piston Pump ### Service Refill Capacities - **Cooling System (since 2026):** 2.9 gal (10.98 l) - **Engine Oil (since 2026):** 1.6 gal (6.06 l) - **Fuel Tank (since 2026):** 17 gal (64.35 l) - **Hydraulic System (since 2026):** 17 gal (64.35 l) - **Hydraulic Tank (since 2026):** 14 gal (52.99 l) ### Sound - **Average Exterior Sound Pressure (ISO 6395:2008) (since 2026):** 97 dB(A) - **Operator Sound Pressure (ISO 6396:2008) (since 2026):** 76 dB(A) ### Sustainability - **Recyclability (since 2026):** 96% ### Swing System - **Boom Swing - Left (since 2026):** 78 degrees - **Boom Swing - Right (since 2026):** 50 degrees - **Machine Swing Speed (since 2026):** 9 r/min ### Travel System - **Gradeability - Maximum (since 2026):** 30 degrees - **Ground Pressure - Maximum Weight (since 2026):** 4.9 psi - **Ground Pressure - Minimum Weight (since 2026):** 4.2 psi - **Maximum Traction Force - High Speed (since 2026):** 4271 lbs ft (5790.62 nm) - **Maximum Traction Force - Low Speed (since 2026):** 7329 lbs ft (9936.66 nm) - **Travel Speed - High (since 2026):** 3.2 mph (5.15 kph) - **Travel Speed - Low (since 2026):** 2.2 mph (3.54 kph) ### Weight Increase From Minimum Configuration - **Angle Blade (since 2026):** 243 lbs (110.22 kg) - **Counterweight (since 2026):** 496 lbs (224.98 kg) - **Long Stick (since 2026):** 66 lbs (29.94 kg) - **Steel Tracks (since 2026):** 430 lbs (195.04 kg) ### Weights - **Maximum Operating Weight with Cab\*\* (since 2026):** 9867 lbs (4475.6 kg) - **Maximum Operating Weight with Canopy\*\* (since 2026):** 9647 lbs (4375.81 kg) - **Minimum Operating Weight with Cab\* (since 2026):** 8875 lbs (4025.64 kg) - **Minimum Operating Weight with Canopy\* (since 2026):** 8655 lbs (3925.85 kg) - **Operating Weight (since 2026):** 9867 lbs (4475.6 kg) ## About this model The Caterpillar 304 is a compact mini excavator designed for digging, trenching, grading, and utility work in confined jobsite conditions. It is part of Caterpillar's small excavator range and is commonly used in landscaping, construction, municipal maintenance, and site preparation. The 304 typically features a zero tail swing design, hydraulic versatility for attachments, and a compact operating footprint for improved maneuverability. Depending on configuration, it may include an enclosed cab or canopy, rubber tracks, and advanced control systems. The Caterpillar 304 is suited for operators needing a small excavator with transport-friendly dimensions and reliable performance on tight-access projects. ## Photos ![2025 Caterpillar 304](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iMTY3YTYxMTEzOTFjNjBmYmI3NmYxYWVkNGY0NWIyNyYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjI3NTAw) ![2025 Caterpillar 304 photo 2](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04OTZjMTc5M2RkOWJmOGFkYmI1NzkxY2JhZWU4NDMyZSYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjc4NDA=) ![2025 Caterpillar 304 photo 3](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iNTA5NGJkNTk2ZjkyYTM0Zjg4ZjcyM2FhYzRiMGY3YSYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjg2MzA=) ![2025 Caterpillar 304 photo 4](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04MDZkMmNmMjg2ZTVhMTVkZWE0ZDgyNmM4Nzk0YzBjNSYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjU0ODAy) ![2025 Caterpillar 304 photo 5](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hMTRhOWIwNjk3YjIzY2UwZGQzNGQzOTgxZmE2NGJjMCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQxOTQ5) ![2025 Caterpillar 304 photo 6](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1kYzllYzY4NWM5YzM4YTUyODA4ZTY5ZTJhNDY5ZGZhZCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjUzNQ==) ![2025 Caterpillar 304 photo 7](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iYjhlMDVmNTI0NDgzNDdkYWM2ODU5YzVjNDMzM2ZkNSYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjYwNzM0) ![2025 Caterpillar 304 photo 8](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04YThlNWJmOTk5ZWM0OWM3OWE2NjJlZTZjNmExNmMzOCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjEyMTY=) ![2025 Caterpillar 304 photo 9](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jOWM4ZDVmMjc3MTliMzE0YjQ0OGZkOTlmMzczYWZhZCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjU2Njcz) ![2025 Caterpillar 304 photo 10](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jZDZjZTkzODkwZTgyZTBkYmFhMjg4ODQ1OTQ3MmI0NCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjYzNTQz) ![2025 Caterpillar 304 photo 11](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mNjg0YTQ0ZmMwZTlmYmVjYjZmMDMxYWU3MDNlNTFkMCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQ4Mjkx) ![2025 Caterpillar 304 photo 12](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ZjhkYzc4YTlhMWZhOTA2ZDQ0ZjY2NmU0NmFkMzUxMSYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjU3MTcz) ![2025 Caterpillar 304 photo 13](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lMWQ3YWYyNzE5ZjAyOGFlOWM2OTE0MGVlY2VlMDVlZCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQyMDQy) ![2025 Caterpillar 304 photo 14](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lNDIyNjE5YzgzNmZkZjYzODk2NTQ4ZDM5ZTdmYjJhZiYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjE3MDY1) ![2025 Caterpillar 304 photo 15](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hMWQ5ZGJhNWI3NDZiYTU1YzcxZmM0NGRlNjE4Nzg0YiYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQ5MDE2) ![2025 Caterpillar 304 photo 16](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05OWQxYzZiYTdjZDY2OTBmYWMyNzRlNjczMWRjNWUzMyYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjIxODQy) ![2025 Caterpillar 304 photo 17](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mNWEyNmIwYjk1YTczYjgzOWUxMzIxN2VhYWY1MTc1NCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjE0OTU3) ![2025 Caterpillar 304 photo 18](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jZTc5YzJlZTY4NGVhMzg1ZmZhMTNjMWY2YTEzM2E4MCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjU5NTIx) ![2025 Caterpillar 304 photo 19](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hYjA4OGNmZWZmMzkzMDY0YWU4ODcyOTRkNmY0YzczMyYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQ2OTYw) ![2025 Caterpillar 304 photo 20](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jZWZhMWY2MjMxNjI3MDIwZTNlYjViYjlmZDkyNzZkMCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjI5Njk0) ![2025 Caterpillar 304 photo 21](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04NTM1ZjJhNDlkZjk0ZmUwZWI2NjhlNzFjMGFiY2IxNCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjEwMDQx) ![2025 Caterpillar 304 photo 22](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mNjkxN2MwZjY2Y2Q0YzQyY2NjMDE0NGY2MWI2OTg0ZCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQyNTI2) ![2025 Caterpillar 304 photo 23](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mNjA3MWVkMDMzYTdhNjc2OTg4ODk5ZTI5NjdmOThkMyYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjQzNTQ3) ![2025 Caterpillar 304 photo 24](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mNzFmYzViNGQxZmRhZjE4ZGJlMzk0ODg1NDhjYTY2ZCYkdHh0PVdBR05FUiUyMEVRVUlQTUVOVCUyMENPJjE2ODQx)