TM 10-4320-303-13 1.16  DIFFERENCES BETWEEN MODELS. Differences  between  the  TWDS  models  are  identified  in  Table  1-10.    An  "X"  under  the  applicable  model number column heading indicates that the item is a component of that model. Table 1-10.  Differences Between Models. Equipment Characteristics Model 06749- 0183-81 Model 110-00- 0000 Model 919 Model 10 Trailer Mounted Pumping Assembly: Model 609-A X X Trailer Mounted Pumping Assembly: Model 609-C X Trailer Mounted Pumping Assembly: Model X US636HCCD-1 Hypochlorination Unit: Model 1955-1 X X Hypochlorination Unit: Model 1955-3 X X X Hypochlorination Unit: Model A-506131 X 1.17  EQUIPMENT DATA . 1.17.1    Trailer  Mounted  Pumping  Assemblies .    Refer  to  applicable  technical  manual  for  installation  and operation  procedures  for  Trailer  Mounted  Pumping  Assemblies  Models:  609-A,  609-C,  and  US636HCCD-1. The performance and equipment data for the Trailer Mounted Pumping Assemblies are provided below. 1.17.1.1  Pumping Assembly. Model 609-A . Weight (dry) 3,052 lb (1,384 kg) Length 139 in. (353 cm) Width 70 in. (178 cm) Height 90 in. (229 cm) Pump Type Self-priming, centrifugal, direct-coupled to diesel engine Output volume 600 gpm at 350 ft tdh Designed working pressure 150 + 5 psi (1,034 + 34 kPa) Designed suction pressure -30 to 200 psi (138 to 1,034 kPa) Suction and discharge size 6 in. (15 cm) Engine Type 4-stroke, 6-cylinder, liquid-cooled, turbocharged diesel Bore 4 in. (10 cm) Stroke 4.5 in. (11 cm) Piston displacement 339 cu in. (5,555 cu cm) Compression ratio 16:1 Weight 1,050 lb (476 kg) Power output 120 hp at 2,400 rpm Speed (maximum) 2,500 rpm Idle speed (minimum) 1,000 rpm Fuel diesel Lubrication forced lubrication Valve clearance (cold) 0.015 in. (0.381 mm) Crankcase capacity 6 qt (5.7 L) Fuel tank capacity 12 gal (45.42 L) Radiator capacity 7 gal (26.50 L) Weight (dry) 4,600 lb (2,088 kg) Length 158.19 in. (402 cm) Width 84 in. (214 cm) Height 72 in. (183 cm) 1-13