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Key specifications
- Net power
- 17.6 kW (23.6 hp), Cat C1.7 engine
- Operating weight
- approx. 4,190 kg (9,239 lb) (configuration dependent)
- Max dig depth
- approx. 3,110 mm (122.4 in)
- Undercarriage width
- approx. 1,780 mm (70.1 in)
- Emissions
- Tier 4 Final / Stage V / Japan 2014
Model overview
The Cat 303.5 CR is an under 4.2-tonne compact radius mini excavator delivering 17.6 kW (23.6 hp) net power from a Cat C1.7 engine, positioned for construction, landscaping, and demolition jobs where jobsite space is tight. Official Caterpillar specifications list an operating weight of approx. 4,190 kg (9,239 lb), a maximum dig depth of approx. 3,110 mm (122.4 in), and an undercarriage width of approx. 1,780 mm (70.1 in). The engine meets U.S. EPA Tier 4 Final, EU Stage V, and Japan 2014 emissions standards.
At a glance
Tail swing typeCompact radius
Cab configurationCanopy or sealed/pressurized cab, optional A/C (configuration dependent)
UndercarriageRubber tracks; inspect track and pin/bushing wear before purchase
Emissions tierTier 4 Final / Stage V
Specifications sourced from cat.com (official manufacturer page).
