Comparisons With Similar Products; Specification Comparisons - Hitachi DH 40MR Technical And Service Manual

6. COMPARISONS WITH SIMILAR PRODUCTS

6-1. Specification Comparisons

Maker
Item
Drill bit dia. (mm)
Capacity
Core bit dia. (mm)
Power input
Impact energy per stroke
Full-load rotation rate
Full-load impact rate
Full-load vibration level
Full-load noise level
No-load noise level
Length
Dimensions
Height
Width
Weight *
Insulation structure
* Weight does not include cord and side handle.
Model
•
Hitachi
DH 40MR
40
(1-9/16")
105
(4-1/8")
(W) 950
(J) 10
-1
(min ) 240 -- - 480
(min -1 )
1,320 - - - 2,650
(dB(VL)) 116.8
(dB(A))
92.4
(dB(A))
79.5
435
(mm)
(17-1/8")
255
(mm)
(10-3/64")
104
(mm)
(4-7/64")
6.5
(kg)
(14.3 lbs.)
Double
insulation
Hitachi
B
DH 40MA/MB
40 40
(1-9/16") (1-9/16")
105 105
(4-1/8") (4-1/8")
950 1,100
8 8.5
360/
0 -- - 340
180 -- - 360
2,800/
0 -- - 3,300
1,400 - - - 2,800
118.0 119.8
94.6 93.7
87.9 85.0
444 450
(17-1/2") (17-23/32")
252 255
(9-15/16") (10-3/64")
103 102
(4-1/16") (4-1/64")
6.5/6.6 6.2
(14.3/14.6 lbs.) (13.7 lbs.)
Double Double
insulation insulation
--- 8 ---
D C
32
40
(1-1/4") (1-9/16")
90 105
(3-17/32")
(4-1/8")
900 900
7
7
0 -- - 480 230 -- - 450
0 -- - 2,630 1,250 - - - 2,500
116.1 118.5
93.2
93.5
83.0 80.3
440 455
(17-11/32")
(17-15/16")
230
250
(9-1/16") (9-27/32")
90 104
(3-17/32") (4-1/8")
5.9 6.2
(13.0 lbs.)
(13.7 lbs.)
Double
Double
insulation insulation