CAT 825 Soil Compactor

Information

Additional information

Make	Caterpillar
Model	825, 825C, 825F, 825H, 825K
Weight	36 t

Equipment Overview

The Cat 825 is a self-propelled, four-wheel soil compactor built for heavy-duty compaction and production dozing, with tamping foot wheels front and rear and a maximum operating weight of 35,528 kg. It delivers four forces of compaction — pressure, manipulation, impact and vibration — while also spreading fill, potentially reducing the number of spreader tractors needed on a project.

Power comes from a Cat C15 engine producing 302 kW (405 hp) net at 1,800 rpm, meeting US EPA Tier 4 Final / EU Stage V emissions (a Tier 3 / Stage IIIA equivalent option is also available). A Planetary Powershift transmission with Electronic Clutch Pressure Control gives three forward and three reverse speeds up to 19.7 km/h, and a rear oscillating axle with ±8° of travel keeps all four wheels in ground contact on uneven terrain. Cat Compaction Control with Machine Drive Power measures rolling resistance to correlate with soil stiffness, with optional 3D mapping to record compaction uniformity in real time.

Technical Specifications

Specification	Value
Engine	Cat C15 diesel
Power Output	302 kW (405 hp) net @ 1,800 rpm
Max Torque	2,005 Nm @ 1,300 rpm
Emission Standard	US EPA Tier 4 Final / EU Stage V
Transmission	Planetary Powershift, ECPC, 3F/3R
Drive Type	Fixed front axle, oscillating rear axle (±8°)
Operating Weight	35,528 kg
Wheel Type	Tamping foot, 65 tips per wheel
Drum Width	1,125 mm (per wheel)
Blade Width	4,628 mm over end bits