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MODEL 220
HYDRAULIC
IMPACT HAMMER
I.
GENERAL INFORMATION
C. SPECIFICATIONS
Working Specifications
Designation
Maximum stroke
Rated energy @ maximum stroke
Blow rate @ maximum stroke
Minimum stroke
Rated energy @ minimum stroke
Blow rate @ minimum stroke
Weights and Dimensions
Ram weight
Hammer weight (bare)*
Complete operating weight with cap*,**
Length (bare)**
Complete operating length with cap**
Width (without guides)
Depth
Depth centerline to back
Depth centerline to front
Hydraulic hose length (standard)
*Weight includes one half of hydraulic hoses.
**Set up for 26" leads and 14" square concrete pile.
Power Unit
Designation
Engine
Max. power
Operating speed
Max. drive pressure
Drive flow
Stroke control pressure
Stroke control flow
Weight
Length
Width
Height
J&M Model 220
4'-0" (1.2 Meter)
88,000 ft-lbs (119kj)
45 bpm
1' (0.3 Meter)
11,500 ft-lbs (15 kN-m)
75 bpm
22,000 lbs (5,215 kg)
35,000 lbs (8,573 kg)*
41395 lbs (18776 kg)**
121-0" (6401mm)
23'-7" (7188mm)**
32" (660 mm)
48" (1219mm)
18" (457 mm)
18" (457 mm)
150' (45 m)
J&M Model 325
CAT 3306TA
335 HP (250kW)
2100 rpm
5,000 psi (345 bar)
87 gpm (330 lpm)
4,300 psi (295 bar)
5.2 gpm (20 lpm)
9,600 lbs (4355 kg)*
126" (320 cm)
60" (152 cm)
75.5" (192 cm)
I-5
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