Welmac  UK  Ltd
Welbourn
Lincoln,  LN5 0QL
Tel:  01400 272475      Mob:  0796 108 9170
Email:  welmacuk@btconnect.com

 
 
 

[  industrial  tub  grinder  ]
 

 
DURATECH.... Clearing the way for a better tomorrow.
 
The DuraTech Model 4012 Industrial Grinder, with its massive construction and many features is in a CLASS ALL BY ITSELF.
 
It is powered by either an electronic 650 hp (484.7 kw) or 860 hp (641.3 kw) CAT diesel engine.
 
With these power plants the 4012 is capable of grinding tree stumps at the rate of 350 cyph (267.59 kw) with the 650 hp (484.7 kw)
and an additional 30% with the 860 hp (641.3 kw) engine.
 
                 
 

       
                 

HPTO Oil Cooled Clutch        
Self Adjusting        
Continuous Lubrication        
Built-in Torque Limiter and Brake        
Microprocessor Controlled         

Single Drive Orbit Motor
Heavy Duty 120H Chain
8* Heavy Duty Tub Channel
Continuous Sprocket Around
Tub

  

4  7/16" (11.27 cm) Bearings
7" (17.18 cm) Rotor Shaft
2" (5.08 cm) Hammer Rods
1" (2.54 cm) Replacement
Wear Plate

 

36" (91.44 cm) Wide Stacking
and Belly Belts
25 Degree Oscillation Side
to Side

  
                 
           
      27' (8.23 m) Boom - 8000 Series Hood Loader
5-Prong Continuous Rotating Wide Reach Grapple
Joystick Controls Mounted in Seat
All Controls and Gauges in Cab and on Main Control Board
Cab raises 4' (1.22 m) and rotates for unobstructed view and
operator comfort
           
 

Self Cleaning System
Hydraulically Powered
3500 sq" of Air Passage

    
           
 
 
 
 

SPECIFICATIONS
Weight with Loader 650 hp 69,500 lbs (31,524.7 kg)   Tub Diameter at Base 10' (3.05 m)
   Weight on Hitch Pin 20,900 lbs (9,480.1 kg)   Tub Wall 3/8" (.953 cm) Thick
Weight with Loader 860 hp 72,700 lbs (32,976.2 kg)   Tub Floor 1/2" (1.27 cm) Thick AR Steel
   Weight on Hitch Pin 24,100 lbs (10,931.6 kg)   Tub Drive Hydraulic Motor
Wt without Loader 650 hp 60,040 lbs (27,233.69 kg)   Service Access 90 Degree Tilting Tub
   Weight on Hitch Pin 12,408 lbs (5,174.58 kg)   Discharge Conveyor 26' (7.92 m) Long x 36" (91.44 cm) W
Wt without Loader 860 hp 65,500 lbs (29,710.3 kg)   Belly Conveyor 36" (91.44 cm) Wide Impact Resistant
   Weight on Hitch Pin 12,500 lbs (5.669.9 kg)   Tub Speed Sensor Electronic Self Governing
Transport Width 11' 11" (3.63 m)   Rotor Shaft Diameter 7" (17.78 cm) Alloy Steel
Transport Ht with Loader 13' 5" (4.09 m)   Rotor Length 56" (142.24 cm)
Transprt Ht without Loader 11' 10" (3.61 m)   Rotor Plates 18" (45.72 cm) Diameter x
Transport Length 46' 8" (14.22 m)     1½" (3.81 cm) Thick
Axle (3) - 22,500 lbs (10,205.82 kg)   Feed Opening 58½" x 26½" (148.59 cm x 67.31 cm)
Electrical 24 Volt (Grapple Loader - 12 Volt)   Screen Area 3140 square inches (7,975.59 sq cm)
Tyres 255/70Rx22.5   Hammers 28 Fixed Single Bolt
Fuel Capacity 300 Gallons (1,135 ltr)   Hammer Rods (8) - 2" (5.08 cm) Diameter
Hydraulic Oil Capacity 110 Gallon (416.4 ltr)   Bearings 4 7/16" (11.27 cm) Oil Bath Bearings
Lights Clearance, Directional   Hammermill Drive DD through HPTO Oil Cooled Clutch
Tub Width 12' 6" (3.81 m)   Engine CAT 3412 650 hp (484.7 kw) Tier 2 or
Tub Depth 56" (142.24 cm)     CAT 3412 860 hp (641.3 kw) Tier 1

Illustrations, specifications and descriptions contained herein were accurate at the time of publication, but are subject to change
without notice.
Illustrations may include optional equipment and accessories and may not include all standard equipment.
 

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