SECTION 7 TECHNICAL SPECIFICATIONS
7-8 DD-29/31HF/38HF Vibratory Asphalt Compactors
MACHINE WEIGHTS AND FIGURES DD-38 HF
CECE SPEC
Weights with ROPS kg (lb)
DD-38HF
Operating weight 3809 (8400)
Static weight
- Front drum 1780 (3925)
- Rear drum 2029 (4475)
Shipping weight (¼ fuel) 3577 (7888)
Static linear load
- Front drum 12.9 kg/cm (73 p/i)
- Rear drum 4.8 kg/cm (83 p/i)
Capacities liters (gal.)
Fuel 68.0 (18.0)
Hydraulic 84.9 (22.4)
Water 299.0 (79.0)
Propulsion (Transmission)
Type of system
Closed-loop hydrostatic
parallel circuit to drums
Drum drive (both)
Pump-axial piston
Motor-radial piston, low
speed, high torque
Travel speed (max) 10.1 km/h (6.3 mph)
Theoretical Gradeability 41.8%
Brakes
Service
Dynamic hydrostatic through
propulsion system
Secondary/Parking
Spring applied, hydraulically
released on each drum
Steering
Design Centerpoint articulation
Type System
Double-acting, hydraulic,
single cylinder
Control system Hydraulic
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