logo

Cat 303E vs. Cat 307B Mini excavators Comparison

Compare available technical data for Excavators. Find the right details to make your decision easier.

Comparison

Highlight differences

Cat 303 Mini excavators

303E

Cat 307 Mini excavators

307B
General
Engine model C1.3-EF04
Engine model -
Operating weight 3,310 kg
Operating weight 7,817 kg
Max dump height 3.16 m
Max dump height 5,151.12 mm
Boom length 2.2 m
Boom length -
Bucket width 610 mm
Bucket width -
Bucket capacity 0.13 m3
Bucket capacity -
Max speed forward 4.83 kph
Max speed forward 5.15 kph
Max digging depth 3,010 mm
Max digging depth 4,114.8 mm
Max digging reach 5,270 mm
Max digging reach 6,736.08 mm
Years 2020-2025
Years 2018-2021
Market Average AED 129,000
Market Average AED 158,000
Price AED 105,000
Price AED 128,000
Engine
Displacement 1,319 cm3
Displacement 2,834.97 cu cm
Gross power 17.6 kw
Gross power 41.01 kw
Bore 7.87 cm
Bore 9.4 cm
Stroke 9.4 cm
Stroke 10.16 cm
Operational specifications
Blade width 1 m
Blade width -
Arm crowding force 16.99 kN
Arm crowding force -
Refill capacities
Engine oil cap 5.68 liter
Engine oil cap 7.19 liter
Undercarriage
Track width 300 mm
Track width 45.21 cm
Track gauge 1.25 m
Track gauge 1.77 m
Drawbar Pull -
Drawbar Pull 53.92 kN
Attachments
Bucket digging force 26.67 kN
Bucket digging force -
Dimensions
Height - top of cab 2.5 m
Height - top of cab 2.65 m
Blade height 40.64 cm
Blade height -
Ground clearance 0.33 m
Ground clearance 39.62 cm
Width over tracks 1.55 m
Width over tracks 2.23 m
Turning radius 0.91 m
Turning radius 1.77 m
Overall Length 4.69 m
Overall Length -
Hydraulic system
Pump flow cap 49.77 lpm
Pump flow cap 18.55 lpm
Service refill capacities
Cooling fluid cap 3.79 liters
Cooling fluid cap 15.14 liter
Fuel cap 45 liter
Fuel cap 135.12 liter
Hydraulic fluid cap 68.89 liter
Hydraulic fluid cap 56.78 liter

Performance

Looking at performance technical specs and key features the Cat 303E Mini excavators excels in terms of engine power at and operating weight 3310 compared to other models like the Cat 307B Mini excavators.

User rating

Owners operators and fleet managers recommend the Cat 303E Mini excavators for its high reliability and endurance in diverse applications. The same can be said about the Cat 307B Mini excavators.

Related comparisons.

Get the latest from Makana

Subscribe to receive auction dates, exclusive deals, and news in your inbox.

We care about the protection of your data. Read ourPrivacy Policy

Makana connects quality machinery with the global market, ensuring safe transactions for buyers and sellers.

© 2025 Makana. All rights reserved.