# 2021 Caterpillar 300.9DSO for Sale in Kansas City, MO **URL:** ## Listing details - **Price:** $15,700.00 USD - **Listing ID:** 89378917 - **Year:** 2021 - **Manufacturer:** Caterpillar - **Model:** 300.9DSO - **Category:** Mini Excavators - **Hours:** 539 - **Serial number:** LJ201668 - **Location:** Kansas City, MO ## Description \*300.9D MINI HYD EXC, T4 (NTE), \*ALARM, TRAVEL, \*CONTROLS, PATTERN CHANGER, \*SAFETY BAR WITH 2" SEAT BELT, 2021 MODEL, INSTRUCTIONS, ANSI, LANE 3 ORDER, MANUAL, OPER. MAINT. ENGLISH, Online Owner's Manual , PACK, FLUID FILM, PACK, MHE COMPLETE, CONTAINER ## Machine details ### GENERAL APPEARANCE - **Cleaning Required:** Yes ### OPERATOR STATION - **Current O&MM:** Yes - **Current Safety Manual:** Yes - **ROPS Certification Plate:** Yes ### SAFETY ITEMS - **ROPS:** Yes - **Safety Decals In Place:** Yes - **Safety Decals Legible:** Yes ### ENGINE - **Blow By:** No - **Emissions Decal:** Yes - **Fluid Levels OK?:** Yes - **Knocking:** Yes - **Oil Leaks:** No - **Water in Oil:** No ### COOLING SYSTEM - **Leaks:** No ### ELECTRICAL, STARTING AND CHARGING SYSTEM - **Alternator:** Good - **Batteries / Cables:** Good - **Lighting:** Good - **Starter:** Good - **Wiring:** Good ### HYDRAULICS - **Boom Cylinder:** Good - **Bucket Cylinder:** 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 - **Travel Motors:** Good ### BOOM - **Boom Condition:** Good - **Pins & Bushings - BOOM:** Good ### STICK - **Stick Length:** 35” ### UNDERCARRIAGE - **Notes - UNDERCARRIAGE 1:** Hydraulic extend UC - **Track Shoes:** Rubber tracks in good shape, 75% ### FINAL DRIVES - **Housings:** Good - **Planetaries / Diff:** Good ## Manufacturer specifications ### Chassis And Swivel Gear - **Gradeability (since 2026):** 30°/58% - **Ground Clearance (since 2026):** 5 in (12.7 cm) - **Ground Pressure (since 2026):** 3.5 psi - **Machine Swing Speed (since 2026):** 8 r/min - **Number of Rollers - Each Side (since 2026):** 2 - **Track Width (since 2026):** 7 in (17.78 cm) - **Travel Speed (since 2026):** 1.12 mph (1.8 kph) ### Dimensions - **Boom Swing Angle - Left (since 2026):** 55 degrees - **Boom Swing Angle - Right (since 2026):** 56 degrees - **Dig Depth (since 2026):** 68 in (172.72 cm) - **Height:** 7.5 ft (2.29 m) - **Height - With ROPS Safety Frame Folded Down (since 2026):** 4.94 ft (1.51 m) - **Height - With ROPS Safety Frame Unfolded (since 2026):** 7.47 ft (2.28 m) - **Length:** 9 ft (2.74 m) - **Length - Undercarriage (since 2026):** 4 ft (1.22 m) - **Maximum Dig Height (since 2026):** 9.39 ft (2.86 m) - **Maximum Dozer Dig Depth (since 2026):** 7 in (17.78 cm) - **Maximum Dozer Lift Height (since 2026):** 8 in (20.32 cm) - **Maximum Dump Height (since 2026):** 6.68 ft (2.04 m) - **Maximum Reach (since 2026):** 10.09 ft (3.08 m) - **Maximum Reach - Ground Level (since 2026):** 9.92 ft (3.02 m) - **Maximum Vertical Dig Depth (since 2026):** 4.43 ft (1.35 m) - **Minimum Front Linkage Swing Radius (since 2026):** 3.77 ft (1.15 m) - **Tail Swing Radius (since 2026):** 2.41 ft (0.73 m) - **Track Width (since 2026):** 7 in (17.78 cm) - **Transport Length - Arm Lowered (since 2026):** 9 ft (2.74 m) - **Undercarriage Width - Extended (since 2026):** 2.83 ft (0.86 m) - **Undercarriage Width - Retracted (since 2026):** 2.33 ft (0.71 m) - **Weight:** 2170 lbs (984.3 kg) - **Width:** 2.25 ft (0.69 m) - **Width (since 2026):** 2.4 ft (0.73 m) ### Dozer Blade - **Dig Depth (since 2026):** 7 in (17.78 cm) - **Height (since 2026):** 8 in (20.32 cm) - **Lift Height (since 2026):** 8 in (20.32 cm) - **Width (since 2026):** 28 in (71.12 cm) ### Engine - **Battery (since 2026):** 12 V, 20 Amp - **Diesel Tank Volume (since 2026):** 2.64 gal (9.99 l) - **Displacement (since 2026):** 52 cu in (852.13 cu cm) - **Emissions (since 2026):** Meets U.S. EPA Tier 4 Final/EU Stage V emission standards. - **Engine Model (since 2026):** Yanmar 31NV70 - **Flywheel Output ISO (since 2026):** 13 hp (9.69 kw) - **Gross Power - ISO 14396 (since 2026):** 18 hp (13.42 kw) - **Make/Type (since 2026):** Yanmar 31NV70 - **Maximum Engine Output (since 2026):** 18 hp (13.42 kw) - **Net Power (since 2026):** 13 hp (9.69 kw) - **Rated Speed (since 2026):** 2100 r/min - **Type (since 2026):** Water cooled model 3-cylinder diesel engine ### General Specifications - **Bore (since 2013):** 2.8 in (7.11 cm) - **Bucket Bite Width (since 2013):** 10.0 in (25.4 cm) - **Bucket Bite Width (since 2013):** 15.0 in (38.1 cm) - **Bucket Bite Width (since 2013):** 28.0 in (71.12 cm) - **Bucket Bite Width (since 2019):** 9.8 in (24.89 cm) - **Bucket Bite Width (since 2019):** 14.6 in (37.08 cm) - **Bucket Bite Width (since 2019):** 27.6 in (70.1 cm) - **Bucket Heaped Capacity (since 2013):** 0.018 cu yd (13.7 L) - **Bucket Heaped Capacity (since 2013):** 0.035 cu yd (26.8 L) - **Bucket Rated Heaped Capacity (since 2019):** 0.494 cu ft (0.01 cu m) - **Bucket Rated Heaped Capacity (since 2019):** 0.636 cu ft (0.02 cu m) - **Bucket Rated Heaped Capacity (since 2019):** 0.950 cu ft (0.03 cu m) - **Bucket Tip Radius (since 2013):** 17.0 in (43.18 cm) - **Bucket Tip Radius (since 2013):** 13.0 in (33.02 cm) - **Bucket Tip Radius (since 2019):** 12.8 in (32.51 cm) - **Bucket Weight with Teeth (since 2013):** 33 lbs (14.97 kg) - **Bucket Weight with Teeth (since 2013):** 38 lbs (17.24 kg) - **Bucket Weight with Teeth (since 2013):** 54 lbs (24.49 kg) - **Calculated Bucket Weight (since 2019):** 33.0 lbs (14.97 kg) - **Calculated Bucket Weight (since 2019):** 38.0 lbs (17.24 kg) - **Calculated Bucket Weight (since 2019):** 54.0 lbs (24.49 kg) - **Digging Depth (since 2025):** 5.7 ft (1.74 m) - **Digging Reach (since 2025):** 9.9 ft (3.02 m) - **Displacement (since 2013):** 52 cu in (852.13 cu cm) - **Emission Standards (since 2016):** U.S. EPA Tier 4 Final/ EU Stage IIIB - **Emissions (since 2015):** Tier 4 Final - **Engine (since 2025):** 18.0 hp (13.42 kw) - **Engine Model (since 2013):** Yanmar 31NV70 - **Flywheel Power (since 2013):** 18 hp (13.42 kw) - **Flywheel Power (since 2017):** 18.4 hp (13.72 kw) - **Fuel Tank Refill Capacity (since 2013):** 2.64 US gal (10 L) - **Ground Pressure (since 2012):** 3.5 psi (24.1 kPa) - **Ground Pressure (since 2013):** 3.50 psi (24.1 kPa) - **Hydraulic System (includes tank) (since 2013):** 3.7 US gal (14 L) - **Maximum Travel Speed at Rated RPM (since 2013):** 1.12 mph (1.8 kph) - **No. of Cylinders (since 2013):** 3 - **Number of Bucket Teeth (since 2013):** 3 - **Operating Weight (since 2013):** 2170 lbs (984.3 kg) - **Operating Weight (since 2025):** 2,170 lbs (984.3 kg) - **Overall Track Length (since 2013):** 48 in (121.92 cm) - **Range Dimension A (source diagram) (since 2013):** 80 in (203.2 cm) - **Range Dimension B (source diagram) (since 2013):** 121 in (307.34 cm) - **Range Dimension B (source diagram) (since 2017):** 119 in (302.26 cm) - **Range Dimension C (source diagram) (since 2013):** 53 in (134.62 cm) - **Range Dimension C (source diagram) (since 2017):** 68 in (172.72 cm) - **Range Dimension D (source diagram) (since 2013):** 68 in (172.72 cm) - **Range Dimension D (source diagram) (since 2017):** 53 in (134.62 cm) - **Range Dimension G (source diagram) (since 2013):** 113 in (287.02 cm) - **Rated Engine RPM (since 2013):** 2100 rpm - **Region Offerings (since 2013):** Austria - **Region Offerings (since 2015):** North America, South America, Canada, Australia, New Zealand, Europe, Africa, Middle East - **Relief Valve Settings - Implement Circuits (since 2013):** 2465 psi (17 mPa) - **Relief Valve Settings - Implement Circuits (since 2016):** 2465 psi (17 MPa) - **Relief Valve Settings - Swing Circuits (since 2013):** 2465 psi (17 mPa) - **Relief Valve Settings - Swing Circuits (since 2016):** 2465 psi (17 MPa) - **Relief Valve Settings - Travel Circuits (since 2013):** 2465 psi (17 mPa) - **Relief Valve Settings - Travel Circuits (since 2016):** 2465 psi (17 MPa) - **Shipping Dimension A (source diagram) (since 2013):** 90 in (228.6 cm) - **Shipping Dimension B (source diagram) (since 2013):** 29 in (73.66 cm) - **Shipping Dimension C (source diagram) (since 2013):** 29 in (73.66 cm) - **Shipping Dimension F (source diagram) (since 2013):** 29 in (73.66 cm) - **Shipping Dimension G (source diagram) (since 2013):** 48 in (121.92 cm) - **Shipping Dimension H (source diagram) (since 2013):** 108 in (274.32 cm) - **Stick (since 2013):** 41 in (104.14 cm) - **Stick (since 2017):** 37 in (93.98 cm) - **Stroke (since 2013):** 2.9 in (7.37 cm) - **Track Gauge (since 2013):** 21 - 27 in (52 - 68 cm) - **Track Shoe Width (since 2012):** 7 in (17.78 cm) - **Width of Standard Track Shoe (since 2013):** 7 in (17.78 cm) ### Hydraulic System - **Discharge Capacity (since 2026):** 11.4 + 11.4 L/min (3 + 3 gal/min) - **Hydraulic Tank Capacity (since 2026):** 3.7 gal (14 l) - **Operating Pressure for the Work and Travel Hydraulics (since 2026):** 2466 psi - **Operating Pressure Pivot (since 2026):** 1015 psi - **Pumps (since 2026):** 2 gear pumps ### Noise Emissions - **Sound Power Level (LWA) (to 2000/14/EG) (since 2026):** 93 dB(A) ### Operating Specifications - **Machine Overhang (since 2026):** 12.5 in (31.75 cm) - **Stick Length - Standard (since 2026):** 34.8 in (88.39 cm) ### Operational Data - **Digging Force - Bucket (since 2026):** 2000 lbs (907.19 kg) - **Digging Force - Stick (since 2026):** 1011 lbs (458.58 kg) - **Operating Weight - With Safety Frame (since 2026):** 2170 lbs (984.3 kg) - **Operating Weight - Without Safety Frame (since 2026):** 2061 lbs (934.86 kg) ### Weights - **Operating Weight (since 2026):** 2061 lbs (934.86 kg) - **Operating Weight - With Safety Frame (since 2026):** 2170 lbs (984.3 kg) - **Operating Weight - Without Safety Frame (since 2026):** 2061 lbs (934.86 kg) ## About this model The Caterpillar 300.9D is a compact mini excavator designed for work in confined spaces, landscaping, utility installation, and light construction. It features a narrow footprint, low operating weight, and zero tail swing design for improved maneuverability in restricted areas. The 300.9D is commonly used for digging, trenching, grading, and material handling where larger excavators cannot operate efficiently. Caterpillar built the model for transportability, ease of access, and simple operation on small job sites. As a mini excavator, the 300.9D is suited to contractors, rental fleets, and maintenance crews needing a small machine with practical digging capability. ## Photos ![2021 Caterpillar 300.9DSO](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iMDgxODJhOTBjZWM3OTgxOTA1NjFmMzNlOGE5NzM1MCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY1NjA1Mg==) ![2021 Caterpillar 300.9DSO photo 2](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iZDFkMmU0NzAyMjMyNjE4OGE1MTg1YzY1N2QyNWZjMCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyMTU5Ng==) ![2021 Caterpillar 300.9DSO photo 3](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04MDBiNjk2OWY1MWQ3YjhiZDU5YTlhMzUxYjdiOTA5YSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyMTQ4Nw==) ![2021 Caterpillar 300.9DSO photo 4](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jZjM0YjE4ZjMzZDZhMDA5YzU4MjZjZGI5YTAwYjRkNCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY1NjY0OA==) ![2021 Caterpillar 300.9DSO photo 5](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05NTM2Zjk4N2I0OWVkOWI4Y2JmYTU1NWQzYzM2NGY0YiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY1NjMw) ![2021 Caterpillar 300.9DSO photo 6](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04NTVlMGFjNDg5OWQyMTEwOGE2MzMxYTczMmVmODFlNSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxNjU4MA==) ![2021 Caterpillar 300.9DSO photo 7](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jNmZmNzM4NmM5Njk4ZTRkYjMyNWI1NTdjMmVlOGUzOCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY4MDc5) ![2021 Caterpillar 300.9DSO photo 8](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1kMmQ2NGJhMWNiMTM4ZGY2Zjg2YTY5MmVjNzRhYzA4ZSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyNTc2Mw==) ![2021 Caterpillar 300.9DSO photo 9](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mODk4YTE4ZDMwOTAzNThiYTdmYzk4NWU2YmJiMDkwNyYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxNDU1Nw==) ![2021 Caterpillar 300.9DSO photo 10](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hZTljODcwYWNjNDA1MTMzZjBkNTdkMzBiZjI0M2VkYiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyMTIyMw==) ![2021 Caterpillar 300.9DSO photo 11](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lYmZmMWM3MWNkMTQ1ZTUyYWI3NDRhMzFmMThkZTk0OCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY2NTI1NA==) ![2021 Caterpillar 300.9DSO photo 12](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iMjU1MDViYmIyZjBiYmRkZDYyMjlhMWE2NzM4NDc5OSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyNDk0Mg==) ![2021 Caterpillar 300.9DSO photo 13](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1mOWFlZjhiYmE0NGEzOTE1ZTg0ZWRjMzNiYjk2N2E1NiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY0ODEzMA==) ![2021 Caterpillar 300.9DSO photo 14](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jYmQyNGI1MjYxOTY3MWJjYjlhYTc3NzA4MzNhN2NhYyYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxNzMzOA==) ![2021 Caterpillar 300.9DSO photo 15](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iNjBhNmIyYmE2OGQwMzdmYTRlNmZkODc3NzJmZjI1MSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyMjc5) ![2021 Caterpillar 300.9DSO photo 16](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hNTJmNTgwMjY3MTdlZjU4YWRjMTQ1MmI4NmRiNmZmYSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY2MjgzNQ==) ![2021 Caterpillar 300.9DSO photo 17](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ODJkOGE5YjkxOTM0ZDUwOWFjMGVkNzYzYjc1YTg5YyYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY1NzQ5MQ==) ![2021 Caterpillar 300.9DSO photo 18](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lZmQ4ZjIyZjI2MWI0OTU5ZDAxMWQ5YjE2NWY4MjI1ZiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYzMTkx) ![2021 Caterpillar 300.9DSO photo 19](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1kYWE2ZGQ5MzVjOGRlNjdhODI4ZGUyMWVmOTY5NTZmMSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyMTM1NA==) ![2021 Caterpillar 300.9DSO photo 20](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04MDlhZjUzOWNmMzM2MTM4ZjVjMjNjMmRmZWQ3YTk5YiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxNTYxNw==) ![2021 Caterpillar 300.9DSO photo 21](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lYWQyOWY2Mjk5YjNmZjhlY2M2YTVlODA3NzdjZThiZSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYzODY2Mg==) ![2021 Caterpillar 300.9DSO photo 22](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1hMzM1MzMzNDBlZDFjZTRhYjE4NGMzM2NjZDgzYTIxMCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY2NTIzNQ==) ![2021 Caterpillar 300.9DSO photo 23](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz04MjEwMThiMzEwYTUyYjE0Yjg3ZTMyZDczMTM5MjUzZiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSY0NjEzNw==) ![2021 Caterpillar 300.9DSO photo 24](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1jMTBhZDg1NjEzNTMxY2EyYmY0MGEyYzM4ZDQ2NGY4ZSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxNjc3MQ==) ![2021 Caterpillar 300.9DSO photo 25](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1iYTU2ZTYxNTIzOTAxMTE3YWY4NTg4MzhmZjBjNDI4YSYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxMTY4) ![2021 Caterpillar 300.9DSO photo 26](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lYjEzNjhiNzY0NDc4ZTkwOTRhMjFmMjZlNDM5OWI4NCYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyNzY1NA==) ![2021 Caterpillar 300.9DSO photo 27](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz05ODJkZTdlYmVhYzFhODc5YmFiY2QxYzFmM2Y0Yjk0MiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYxNDQ3MA==) ![2021 Caterpillar 300.9DSO photo 28](http://s7d2.scene7.com/is/image/CatUsedProduction/wtk?JHNyYz1lMmE4NmQxZDlmZDE0ZGJmZjYwZTAxNjA5Y2M4ZmE2NiYkdHh0PUZPTEVZJTIwRVFVSVBNRU5UJTIwQ09NUEFOWSYyNTgzNQ==)