300.9D VPS & HPU300

300.9D VPS & HPU300 Mini Hydraulic Excavator

The Cat® 300.9D Versatile Power System (VPS) and HPU300 Mini Excavator can change from diesel to electric power for zero emissions and low sound.

300.9D VPS & HPU300


The innovative Cat 300.9D VPS with HPU300 Mini Excavator delivers versatility in a compact size with a choice of diesel or electric power. Its ability to fit through a narrow doorway makes it an excellent machine for indoor demolition work.The innovative 300.9D VPS with HPU300 Mini Excavator delivers versatility in a compact size with a choice of diesel or electric power.

Versatility in a Compact Size

The 300.9D VPS with HPU300 features Dual Mode Selection for a choice of diesel or electric power. This innovative machine delivers zero emissions from electrical supply, low noise, superior power and control. Easily change from diesel to electric power.Both indoor and outdoor jobs are accessible with the under 1000 kg (2,205 lb) weight making trailer transportation between sites easy.

Extending Undercarriage and Blade

An extending undercarriage and fold out dozer blade allow the machine to be configured for excellent working stability and optimum performance. Easy retraction, controlled from the operator's seat, enables the machine to pass through narrow openings.

Foldable Safety Frame

A protective ROPS safety frame structure mounted on the front of the machine allows fitting of a guard for extra operator protection during hammer use. The structure folds down in a few seconds for easy machine transportation and storage.

Simple Controls

The operator area is spacious and laid out to provide comfort and ease of operation. Smooth, precision operation of functions is possible from independent controls allowing all skill levels to be productive with little practice.

Easy Service

Service and maintenance time is reduced to a minimum with a simple to open steel engine cover and all maintenance and greasing points easily accessible.


A range of tools is available to take advantage of the machines versatility. All tools are matched to the machine to optimize performance and deliver excellent value through high productivity and long life.

  • Specs
  • Docs



Long Name:
300.9D VPS & HPU300 Mini Hydraulic Excavator
300.9D VPS & HPU300


Dig Depth
68 in / 1731 mm

Operating Specifications - 300.9D VPS

Dumping Height - Maximum
80 in / 2035 mm
Reach at Ground Level
119 in / 3027 mm


Net Power
13 HP / 9.7 kW
Engine Model
Yanmar 3TNV70

Engine - 300.9D VPS

Gross Power
13 HP / 9.7 kW
Engine Type
Liquid Cooled, 3 Cylinder, Diesel


Meets U.S. EPA Tier 4 Final/EU Stage V emission standards.

Engine - 300.9D VPS

Fuel Tank Capacity
2.6 gal (US) / 10 l


Operating Weight
2399 lb / 1088 kg

Dimensions - 300.9D VPS

Length × Width × Height
2476 × 700 × 1507 mm (108 × 28 × 59 in)
Operating Weight
2399 lb / 1088 kg
Shipping Weight
2178 lb / 988 kg

Hydraulic System - 300.9D VPS

Operating Pressure - Swing Gear
1015 psi / 70 bar
Operating Pressure - Front Linkage and Travel
2466 psi / 170 bar
Rotation Speed
8 r/min / 8 r/min
Pump Type
Pump Flow
6 gal/min / 22 l/min
Hydraulic Tank Capacity
3.7 gal (US) / 14 l

Operating Specifications - 300.9D VPS

Stick Force
1012 lbf / 4.5 kN
Bucket Force
2000 lbf / 8.9 kN

Dimensions - HPU300

Length × Width × Height
930 × 720 × 1000 mm (36.5 × 28.3 × 39.5 in)

Blade - 300.9D VPS

Lift Height
8 in / 197 mm

Dimensions - HPU300

Operating Weight
423 lb / 192 kg

Hydraulics - HPU300

Flow Rate
5.3 gal/min / 20 l/min
Hydraulic Oil Tank Capacity
2.4 gal (US) / 9 l

Motor - HPU300

Input Current

Blade - 300.9D VPS

Dig Depth
7 in / 174 mm

Hydraulics - HPU300

Connecting Hose Length
32.8 ft / 10 m

Blade - 300.9D VPS

28 in / 700 mm

Hydraulics - HPU300

Operating Pressure
2756 psi / 190 bar

Travel System - 300.9D VPS

Travel Speed
1.1 mile/h / 1.8 km/h
Track Width
7.1 in / 180 mm

Blade - 300.9D VPS

8 in / 200 mm

Motor - HPU300

Motor Type
3 Phase Electric Motor
Performance - North America
12 HP / 9 kW
Performance - Europe
10 HP / 7.5 kW