FOR MODELS: JGW, JGR AND JGJ SECTION 1 - DESIGN SPECIFICATIONS & DATA
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Specifications
FIGURE 1-2: AUXILIARY END VIEW
TABLE 1-1: JGW/JGR FRAME SPECIFICATIONS
MODEL JGW/2 JGW/4 JGR/2 JGR/4
Stroke, inches (mm) 4-1/4 (108) 4-1/4 (108) 4-1/4 (108) 4-1/4 (108)
Speed, RPM 600 to 1200 600 to 1200 600 to 1200 600 to 1200
Piston Speed, FPM (m/s) To 850 (4.32) To 850 (4.32) To 850 (4.32) To 850 (4.32)
Number of Throws 2 4 2 4
Horsepower (kW) To 325 (242) To 650 (485) To 430 (321) To 860 (641)
Height - Bottom to Crankshaft Centerline,
in. (mm)
12 (305) 12 (305) 12 (305) 12 (305)
Connecting Rod Centerline To Centerline,
in. (mm)
10.250 (260.35) 10.250 (260.35) 10.250 (260.35) 10.250 (260.35)
Maximum Width, in. (m) 103 (2.62) 103 (2.62) 103 (2.62) 103 (2.62)
Maximum Length, in. (m) 41 (1.04) 77 (1.96) 41 (1.04) 77 (1.96)
Approximate Weight with Cylinders, lb. (kg) 4000 (1814) 7000 (3175) 4200 (1905) 8200 (3720)
Oil Pump Capacity, GPM (L/s) 8 (0.50) 14 (0.88) 8 (0.50) 14 (0.88)
Oil Heat Rejection, BTU/hr. (J/s) 7000 (2065) 12,000 (3540) 8000 (2360) 14,000 (4130)
Sump Capacity, US gallons (L) 6 (23) 15 (57) 6 (23) 15 (57)
Piston Rod Diameter, in. (mm) 1.500 (38.1) 1.500 (38.1) 1.500 (38.1) 1.500 (38.1)
Internal Rod Load - Double Acting:
Compression + Tension, lbf. (kN) 24,000 (107) 24,000 (107) 32,000 (142) 32,000 (142)
Tension, lbf. (kN) 12,000 (53) 12,000 (53) 16,000 (71) 16,000 (71)
Compression, lbf. (kN) 15,000 (67) 15,000 (67) 20,000 (89) 20,000 (89)
Internal Rod Load - Single Acting:
Tension, lbf. (kN) 12,000 (53) 12,000 (53) 16,000 (71) 16,000 (71)
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