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Caterpillar 307.5

Configuration: Minimum configuration: cab, steel tracks, no counterweight, standard stick (1665 mm), blade, 75 kg operator, full fuel, no bucket; Tier 4 Final/Stage V. Current successor to the 307E2.

23 sourced values · Sources: Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25

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Dimension diagram

A B C D E F G Side viewFront view Schematic, not to scale
AOverall length6,100 mm
BOverall height2,541 mm
CTrack length on groundNot published
DGround clearance370 mm
EOverall width2,280 mm
FTrack gauge / treadNot published
GShoe / track width450 mm

Weights

SpecValueSource
Operating weight7,505 kg
Published: 7,505 kg
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Minimum operating weight with cab (16,549 lb). Maximum 8120 kg.

Dimensions

SpecValueSource
Overall length6,100 mm
Published: 6,100 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Overall shipping length without counterweight, standard stick. With counterweight 6230 mm.
Overall width2,280 mm
Published: 2,280 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Blade width (90 in). Overall track width 2200 mm; width over upper house 2250 mm.
Overall height2,541 mm
Published: 2,541 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Cab height. Boom transport height (no tools) 2570 mm.
Transport height2,570 mm
Published: 2,570 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Boom height in shipping position – boom transport, no tools, standard stick.
Track gauge / treadNot publishedCat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Not published in this document.
Track length on groundNot publishedCat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Not published in this document.
Track length (overall)2,760 mm
Published: 2,760 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Overall undercarriage length.
Shoe / track width450 mm
Published: 450 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Track belt/shoe width.
Ground clearance370 mm
Published: 370 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Tail swing radius1,800 mm
Published: 1,800 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Without counterweight; 1930 mm with counterweight.

Undercarriage / tires

SpecValueSource
Undercarriage typeSteel track
Published: Steel track
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Steel tracks with pads optional (+285 kg).
Track rollers / shoes per sideNot publishedCat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Not published in this document.

Ground pressure

SpecValueSource
Ground pressure34.8 kPa
Published: 34.8 kPa
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
At minimum weight (5.1 psi). At maximum weight 37.7 kPa.

Engine

SpecValueSource
Engine modelCat C2.4 Turbo
Published: Cat C2.4 Turbo
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
U.S. EPA Tier 4 Final/EU Stage V.
Net power40.9 kW
Published: 40.9 kW
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Rated net power ISO 9249, 80/1269/EEC (54.8 hp); rated speed 2,400 rpm.
Gross power43.2 kW
Published: 43.2 kW
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Engine power ISO 14396 (57.9 hp).
Displacement2.43 L
Published: 2.43 L
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
148 in3.
Rated speed2,400 rpm
Published: 2,400 rpm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25

Hydraulics

SpecValueSource
Pump / aux flow167 L/min
Published: 167 L/min
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Load-sensing variable-displacement piston pump at 2,400 rpm (44 gal/min).
System / relief pressure≈ 28.5 MPa
Published: 285 bar
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Operating pressure – equipment (4,134 psi). Travel 285 bar; swing 250 bar.

Performance

SpecValueSource
Max digging depth4,100 mm
Published: 4,100 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Standard stick. Long stick 4642 mm.
Max reach (at ground)6,151 mm
Published: 6,151 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Maximum reach at ground level, standard stick. Long stick 6670 mm.
Dump height / clearance5,300 mm
Published: 5,300 mm
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Maximum dump clearance, standard stick.
Breakout / digging force54.6 kN
Published: 54.6 kN
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
Digging force – bucket (printed 12,272 lb). Stick (standard) 37.8 kN.
Max travel speed5 km/h
Published: 5 km/h
Cat 307.5 (07A) Mini Hydraulic Excavator specalog AEHQ8158-04 (09-2024), North America and Europe, U.S. EPA Tier 4 Final/EU Stage V. Retrieved 2026-10-25
High (3.1 mph); low 3.1 km/h.

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Compare side by side with Case CX70E and Komatsu PC78US-11