MORBARK® PRONAR
TROMMEL SCREENS
Available in four sizes, these mobile trommel screens
are perfectly suited to work with a wide variety of
materials, including soil, compost, municipal waste,
coal, aggregate and biomass.
www.morbark.com
MPB 14.44
SPECIFICATIONS
MPB 18.47
US
METRIC
Length (transport)
34'10"
10.63 m
Length (operating)
46'5"
Height (operating)
US
METRIC
Length (transport)
36'1"
10.99 m
14.14 m
Length (operating)
47'5"
14.44 m
12'9"
3.9 m
Height (operating)
12'9"
3.9 m
Width (transport)
8'5"
25.5 m
Width (transport)
8'4"
2.55 m
Width (operating)
20'11"
63.8 m
Width (operating)
21'11"
6.68 m
Gross Weight
(approx.)
24,250 lbs
11,000 kg
Gross Weight
(approx.)
28,219 lbs
12,800 kg
Axle Weight (approx.)
19,841 lbs
9,000 kg
Axle Weight (approx.)
19,841 lbs
9,000 kg
3'1"
95 cm
3'1"
95 cm
Drawbar Eye Height
Axles
Dual
Tires (4)
Support Legs
Horsepower
Dual
Tires (4)
Pintle Ring
435/50 R19.5
Towing Arrangement
2 Front Mechanical & 1 Rear Hydraulic
Engine
Drawbar Eye Height
Axles
435/50 R19.5
Towing Arrangement
SPECIFICATIONS
CAT
Support Legs
Pintle Ring
2 Front Mechanical & 1 Rear Hydraulic
Engine
42 HP
32 kW
Fuel Capacity (tank)
39.63 gallons
150 liters
Hydraulic Oil
26.42 gallons
100 liters
Infeed Hopper Length
11'8"
3.56 m
Infeed Hopper Width
6'
Loading Height
75 HP
55.4 kW
Fuel Capacity (tank)
79.25 gallons
300 liters
Hydraulic Oil
26.42 gallons
100 liters
Infeed Hopper Length
11'8"
3.56 m
1.85 m
Infeed Hopper Width
6'11"
2.12 m
8'
2.6 m
Loading Height
8'10"
2.7 m
Infeed Hopper
Capacity
3.93 cubic yards
3 cubic meters
Infeed Hopper
Capacity
6.52 cubic yards
5 cubic meters
Exterior Side Conveyor
16'10 3/4" x 31”
5.15 m x 80 cm
Exterior Side Conveyor
16'10 3/4"x 31”
5.15 m x 80 cm
Exterior Rear
Conveyor
16'10 3/4" x 31”
5.15 m x 80 cm
Exterior Rear
Conveyor
16'10 3/4"x 31”
5.15 m x 80 cm
Interior Longitudinal
Conveyor
3'3"
1.0 m
Interior Longitudinal
Conveyor
4'3'
1.3 m
Interior Transverse
Conveyor
23"
60 cm
Interior Transverse
Conveyor
23"
60 cm
Quick and easy drum change
The engine and hydraulic system are mounted
on a pull-out frame which provides easy access
for maintenance.
Horsepower
CAT
Magnetic roller for removal of ferrous metals may be
mounted on rear and side discharge conveyors.
Hydraulic tipping grid for removal of
large objects to prevent damage to the
trommel drum.
MPB 20.55
SPECIFICATIONS
MPB 20.72
US
METRIC
Length (transport)
39'4"
12 m
Length (operating)
49'10"
Height (operating)
US
METRIC
Length (transport)
40'5"
12.31 m
15.18 m
Length (operating)
50'10"
15.49 m
13'1"
4.0 m
Height (operating)
12'11"
3.92 m
Width (transport)
8'4"
2.55 m
Width (transport)
8'4"
2.55 m
Width (operating)
21'2"
6.46 m
Width (operating)
21'2"
6.46 m
Gross Weight
(approx.)
35,273 lbs
16,000 kg
Gross Weight
(approx.)
52,910 lbs
24,000 kg
Axle Weight (approx.)
19,841 lbs
9,000 kg
Axle Weight (approx.)
19,841 lbs
9,000 kg
3'1"
95 cm
3'1"
95 cm
Drawbar Eye Height
Axles
Dual
Tires (4)
CAT
Horsepower
435/50 R19.5
Towing Arrangement
2 Front Mechanical & 1 Rear Hydraulic
Engine
Dual
Tires (4)
Pintle Ring
Support Legs
Drawbar Eye Height
Axles
435/50 R19.5
Towing Arrangement
SPECIFICATIONS
Support Legs
Fifth Wheel
2 Front Mechanical & 1 Rear Hydraulic
Engine
97 HP
72 kW
Fuel Capacity (tank)
79.25 gallons
300 liters
Hydraulic Oil
26.42 gallons
100 liters
Infeed Hopper Length
12'9"
3.9 m
Infeed Hopper Width
7'3"
Loading Height
Infeed Hopper
Capacity
147 HP
110 kW
Fuel Capacity (tank)
79.25 gallons
300 liters
Hydraulic Oil
26.42 gallons
100 liters
Infeed Hopper Length
12'9"
3.9 m
2.23 m
Infeed Hopper Width
7'3"
2.23 m
8'10"
2.71 m
Loading Height
8'11"
2.73 m
6.52 cubic yards
5 cubic meters
Infeed Hopper
Capacity
7.81 cubic yards
6 cubic meters
Exterior Side Conveyor
16' x 31"
4.90 m x 80 cm
Exterior Side Conveyor
16' x 31"
4.90 m x 80 cm
Exterior Rear
Conveyor
16' x 31"
4.90 m x 80 cm
Exterior Rear
Conveyor
16' x 31"
4.90 m x 80 cm
Interior Longitudinal
Conveyor
4'3'
1.3 m
Interior Longitudinal
Conveyor
4'3'
1.3 m
Interior Transverse
Conveyor
31"
80 cm
Interior Transverse
Conveyor
31"
80 cm
Conveyors retract to the outside of
the machine.
Wireless remote control
Horsepower
CAT
Track models feature two track speeds allowing
precise adjustment of machine’s position for
optimum efficiency.
Hydraulically raised and lowered
cleaning brush
REPLACEMENT DRUMS
STANDARD DRUM OPTIONS
US
METRIC
Length & Diameter
MPB 14.44
MPB 18.47
MPB 20.55
MPB 20.72
Wall Size
14'5 ½" x 4'7"
15'5" x 5'11"
18' x 6'6"
23'7" x 6'6"
¼", 1/3", 3/8"
4.4 m x 1.4 m
4.7 m x 1.8 m
5.5 m xr 2.0 m
7.2 m x 2.0 m
6 mm, 8 mm, 10 mm
Hole Size
3/8" to 3 15/16"
10 to 100 mm
MPB Trommel drums may be easily changed to suit material screening requirements. We also have screen drums compatible
with other manufacturers’ machines. Depending on the screened material: soil, compost, municipal waste, aggregate, biomass;
different types of perforation are available, shapes include round or square and hole sizes up to 3 15/16" (100 mm).
Morbark, LLC • 8507 S. Winn Road • P.O. BOX 1000 • Winn, MI 48896-1000
TF. 800.831.0042 • P. 989.866.2381 • F. 989.866.2280 • Email. [email protected] • www.morbark.com