ROTARY TABLE SPECIFICATIONS CE PRODUCT LINE
Rotaries
44
NATIONAL OILWELL ROTARIES
Rotary tables are available with openings from 111/2 inch (292 mm)
to 601/2 inch (1536 mm) and static load ratings up to 1250 tons
(1135 tonnes). Available also in the 601/2 model is a flush mounted
slip ring which will allow for installation of power slips.
ROTARY TABLE SPECIFICATIONS.
Model:
D-605
D-495
D-375
C-205
C-275
C-175-L
C-175-S
21
(79)
19
(72)
4.76
3.93
8
(30)
3.60
7
(26)
3.14
8
(30)
3.16
6
(23)
3.16
5
(19)
3.16
6,602
(2,994)
150
300
350
400
400
500
500
1,250
(1,135)
800
(726)
650
(590)
350
(318)
500
(454)
250
(227)
250
(227)
601/2
(1,538)
491/2
(1,257)
371/2
(953)
201/2
(521)
271/2
(699)
171/2
(445)
171/2
(445)
Oil Capacity
gal. (liters)
Weight, less master
bushing, lb. (kg)
Gear ratio
Maximum recommended table
speed, rpm
Static load capacity,
tons (tonnes)
Max table opening
diameter, in.(mm)
31,800
(14,424)
24,157
(10,955)
13,140
(5,959)
9,208
(4,176)
11,230
(5,093)
6,848
(3,106)
Model:
T-4950
T-3750
T-2750
T-1750-531/4
T-2050
T-1750-44
T-1150
15
(57)
14
(53)
3.96
3.91
10
(38)
3.89
8
(30)
3.75
13
(49)
3.73
8
(30)
3.75
6.5
(25)
3.93
2,900
(1,315)
350
350
350
350
350
350
350
800
(726)
650
(590)
500
(454)
300
(272)
350
(318)
300
(272)
130
(118)
49.5
(1,257)
37.5
(953)
27.5
(699)
17.5
(445)
20.4
(521)
17.5
(445)
11.5
(292)
Oil Capacity
gal. (liters)
Weight, less master
bushing, lb. (kg)
Gear ratio
Maximum recommended table
speed, rpm
Static load capacity,
tons (tonnes)
Max table opening
diameter, in.(mm)
24,930
(11,308)
T-6050
30
(114)
4.1
300
1,000
(907)
60.5
(1,536)
34,800
(15,785)
15,600
(7,075)
9,625
(4,365)
8,975
(4,071)
8,856
(4,017)
7,760
(3,520)
DRIVE OPTIONS:
Mechanical and electrical independent table drives can be
furnished. Three two-speed transmissions are offered, one with
reverse and two without. The Type B-500 transmission with reverse
is designed for use with 500 hp internal combustion engines. The
Type C-700 is a two-speed designed for use with 700 hp DC
motors. The Type D-1000 is a two-speed designed for use with
1000 hp DC motors. This transmission has increased torque capac-
ity to handle high-torque drilling conditions. Optional gear ratios
available. Additional transmissions available upon demand such as:
“Oilwell” RT1717 and RT 2010D. Complete parts and accessories
are also available for the CE product line of RT-3A transmissions.
