660/760 Class Technical Information

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CLASS ROSTER
 
660 Class

No.

In Service

Withdrawn

Fate

661

.05.1973

Preserved Byron Bay Resort - Byron Bay

665

.04.1971

Preserved New England Railway - Armidale

668

.09.1974

Preserved State Mine Heritage Park & Railway - Lithgow

669

.06.1975

670

.11.1975

Pool stock for spares (to NSWRTM) at Valley Heights


760 Class

No.

In Service

Withdrawn

Fate

761

.05.1973

Preserved State Mine Heritage Park & Railway - Lithgow
destroyed by fire 31.10.2001

765

.04.1971

Preserved New England Railway - Armidale

768

.09.1974

Preserved State Mine Heritage Park & Railway - Lithgow

769

.06.1975

770

.11.1975

Pool stock for spares (to NSWRTM) at Valley Heights


TECHNICAL DATA


VEHICLE DIMENSIONS

Length over body

61' 3"

18 669 mm

Width over body

9' 9"

2 972 mm

Height rail to roof

12' 10¼"

3 920 mm

Bogie centres

45' 6"

13 869 mm

Weight - 660 (FPH)

29.8 tons

30.4 tonnes

Weight - 760 (CT)

23.8 tons

24.2 tonnes

Service Speed

70 mph

115 kmph

Fuel Capacity

256 Gallons

1 164 litres

Brake System

S.E.M.

Wheel arrangement

1A - A1 (660)
2 - 2 (770)


ENGINE DATA

Year

1971

1985

Manufacturer

Cummins

Cummins

Type

Diesel

Diesel

Model

NT-855-R2

NTA-855-R4
Big Cam

Cycle

4-stroke

4-stroke

Aspiration

Turbocharged

Turbocharged

Cylinders

6 in-line

6 in-line

Layout

80° inclined

80° inclined

Bore

5.5"
(139.7 mm)

5.5"
(139.7 mm)

Stroke

6.0"
(152.4 mm)

6.0"
(152.4 mm)

Capacity

855 cu in
(14.0 litres)

855 cu in
(14.0 litres)

Power

300 hp
(224 kW)

335 hp
(250 kW)

Oil Capacity

7 gallons
(31.8 litres)

7 gallons
(31.8 litres)

Cooling Water Capacity

54 gallons
(245 litres)

54 gallons
(245 litres)


TRANSMISSION DATA

Make

Twin Disc

Voith

Engine

NT-855-R2

NTA-855-R4

Model

DFFR 10034

T 211 r

Type

3-position

3-position

Lockup

Automatic

Automatic

Reversing Gearbox

Twin Disc
RR 303

Integrated

Auxiliary Gearbox

Borg Warner

 


FINAL DRIVE DATA

Manufacturer

Spicer 

Model

Type

Fixed

Reduction ratio

2.7 to 1


BOGIE DATA

Bogie code

2PG (PGA)

2TG (NGA)

Type

Power

Trailer

Manufacturer

A E Goodwin

A E Goodwin

Numbers

1-70

1-72

Frame

Cast

Cast

Primary suspension

Coil

Coil

Secondary suspension

Coil

Coil

Equalised

No

No

Bearings

Roller

Roller

Bogie wheelbase

6' 6"
(1 981 mm)

6' 6"
(1 981 mm)

Wheel diameter

3' 1"
(940 mm)

3' 1"
(940 mm)

Gauge

4' 8½"
(1 435 mm)

4' 8½"
(1 435 mm)

Brakes

Clasp

Clasp

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