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Judge for yourself:1309: Whyte 2-6-6-2Gauge 4 ft 8+1⁄2 in (1,435 mm)Leading dia. 30 in (762 mm)Driver dia. 56 in (1,422 mm)Trailing dia. 44 in (1,118 mm)Wheelbase 48.8 ft (14.87 m)Length 99.7 ft (30.39 m)Height 15 ft (4.57 m)Adhesive weight 366,700 lb (166,332 kg)Loco weight 434,900 lb (197,267 kg)Tender weight 208,200 lb (94,438 kg)Total weight 643,100 lb (291,705 kg)Tender type 12-RCFuel type Soft coalWater cap 12,000 US gal (45,425 l; 9,992 imp gal)Tender cap. 16 short tons (15 t)Firebox: Firegrate area 72.2 sq ft (6.71 m2)Boiler 96 in (2,438 mm)Boiler pressure 210 psi (1.45 MPa)Feedwater heater noneHeating surface 4,825 sq ft (448.3 m2) Tubes and flues 4,436 sq ft (412.1 m2) Firebox 363 sq ft (33.7 m2)Superheater: Type Type A Heating area 975 sq ft (90.6 m2)Cylinders 4High-pressure cylinder 22 in ื 32 in (559 mm ื 813 mm)Low-pressure cylinder 35 in ื 32 in (889 mm ื 813 mm)Valve gear WalschaertsValve type Piston valvesValve travel 6+1⁄2 in (165 mm) (HP)6 in (152 mm) (LP)Valve lap 1 in (25 mm) (HP)1+1⁄8 in (29 mm) (LP)Valve lead 1⁄8 in (3 mm) (HP)3⁄16 in (5 mm) (LP)611: Whyte 4-8-4 UIC 2′D2′ h2Gauge 4 ft 8+1⁄2 in (1,435 mm) standard gaugeLeading dia. 36 in (914 mm)Driver dia. 70 in (1,778 mm)Trailing dia. 42 in (1,067 mm)Length 109 ft 2 in (33.27 m)Width 11 ft 2 in (3.40 m)Height 16 ft 0 in (4.88 m)Axle load 72,000 lb (32.7 tonnes) for driversAdhesive weight 288,000 lb (130.6 tonnes)Loco weight 494,000 lb (224.1 tonnes)Tender weight 378,600 lb (171.7 tonnes)Total weight 872,600 lb (395.8 tonnes)Fuel type CoalFuel capacity 77,200 lb (35.0 tonnes)Water cap 20,000 US gal (76,000 l; 17,000 imp gal)25,000 US gal (95,000 l; 21,000 imp gal) in auxiliary tenderFirebox: Firegrate area 107.7 sq ft (10.01 m2)Boiler pressure 300 lbf/in2 (2.07 MPa)Heating surface: Tubes and flues 4,693 sq ft (436.0 m2) Firebox 578 sq ft (53.7 m2)Superheater: Heating area 2,177 sq ft (202.2 m2)Cylinders Two, outsideCylinder size 27 in ื 32 in (686 mm ื 813 mm)Valve gear BakerValve type Piston valves