Construction Equipment Guide
470 Maryland Drive
Fort Washington, PA 19034
800-523-2200
The Caterpillar 303.5 Mini Excavator packs a powerful punch in a compact package, making it ideal for a variety of construction and excavation projects. With a blade width of 5.1 feet and a dig depth of 13.8 inches, this machine offers precision and efficiency in tight spaces. Boasting a gross power of 27 horsepower and weighing in at 7810 pounds, the 303.5 is equipped with hydraulic systems that provide digging forces of 5742 pounds for the bucket and 4114 pounds for the stick, ensuring optimal performance on the job site.
Blade Height | 15 in (37 cm) |
Blade Lift Height | 17 in (42 cm) |
Blade Width | 5 ft (2 m) |
Dig Depth | 14 in (35 cm) |
Center Ground Clearance | 1 ft (0 m) |
Height - Over Cab | 8 ft (2 m) |
Height - Over Canopy | 8 ft (2 m) |
Maximum Cutting Height - Long Stick | 17 ft (5 m) |
Maximum Cutting Height - Standard Stick | 17 ft (5 m) |
Maximum Digging Depth - Long Stick | 12 ft (4 m) |
Maximum Digging Depth - Standard Stick | 10 ft (3 m) |
Maximum Dump Height - Long Stick | 13 ft (4 m) |
Maximum Dump Height - Standard Stick | 12 ft (4 m) |
Maximum Horizontal Reach - Long Stick | 19 ft (6 m) |
Maximum Horizontal Reach - Standard Stick | 17 ft (5 m) |
Maximum Reach - Ground Level - Long Stick | 18 ft (6 m) |
Maximum Reach - Ground Level - Standard Stick | 17 ft (5 m) |
Maximum Vertical Dig Depth - Long Stick | 9 ft (3 m) |
Maximum Vertical Dig Depth - Standard Stick | 8 ft (2 m) |
Shipping Length | 17 ft (5 m) |
Stick Length - Long Stick | 6 ft (2 m) |
Stick Length - Standard Stick | 4 ft (1 m) |
Swing Radius - Rear | 5 ft (1 m) |
Track Gauge | 4 ft (1 m) |
Track Shoe Width | 12 ft (4 m) |
Width - Over Track | 5 ft (2 m) |
Width - Upper Structure | 5 ft (2 m) |
Electrical System Type | Twelve-volt system |
Bore | 3 in (9 cm) |
Displacement | 91 cu in (1,496 cu cm) |
Engine Model | 3013 |
Gross Power | 27 hp (20 kw) |
Net Power | 25 hp (19 kw) |
Stroke | 4 in (9 cm) |
Auxiliary Circuit - Primary (245 bar/3,553 psi) | 17 gpm (66 lpm) |
Digging Force - Bucket | 5,742 lbs (2,605 kg) |
Digging Force - Stick - Long | 3,080 lbs (1,397 kg) |
Digging Force - Stick - Standard | 4,114 lbs (1,866 kg) |
Operating Pressure - Equipment | 2987 psi |
Operating Pressure - Swing | 2494 psi |
Operating Pressure - Travel | 2987 psi |
Pump - Gear (Single) | 8 gpm (29 lpm) |
Pump - Gear (Tandem) | 10 gpm (38 lpm) |
Cooling System TAG | 1 gal (5 l) |
Engine Oil | 2 gal (6 l) |
Fuel Tank | 14 gal (54 l) |
Hydraulic System | 18 gal (69 l) |
Hydraulic Tank | 12 gal (45 l) |
Boom Swing - Left - With Stop | 55 degrees |
Boom Swing - Left - Without Stop | 90 degrees |
Boom Swing - Right | 50 degrees |
Machine Swing Speed | 9.3 rpm |
Swing System Type | Hydraulic Motor Driven |
Maximum Traction Force - High Speed | 3,825 lbs (1,735 kg) |
Maximum Traction Force - Low Speed | 6,750 lbs (3,062 kg) |
Travel Speed - High | 3 mph (5 kph) |
Travel Speed - Low | 2 mph (3 kph) |
Operating Weight - With Cab | 7,810 lbs (3,543 kg) |