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LEYLAND 272

General Data

Engine Type 498NT
Number of Cylinders 4
Compression Ratio 16.8:1
Bore 98 mm
Stroke 125 mm
Cubic Capacity 3.77 L
Valve rocker clearance (hot or cold) 0.33 mm
Injection order 1,3,4,2
Static injection timing 14" B.T.D.C
Idling speed 500 rev/min
Maximum full load speed 2200 rev/min
Maximum light running speed 2420 rev/min
Maximum torque 26.3 kgf m (190 lbf ft) at 1300 rpm
Cylinder head nut tightness 13.8 kgf m (100 lbf ft)
Fuel System Injection pump type CAV D.P.A with mechanical governor or Simms in-line (optional in some countries)
Bleeding the fuel system
Injectors CAV
Injector bolt tightness 1.65 kgf m (12 lbf ft)
Gearbox 10 Forward, 2 Reverse
Clutch 280 mm (11 in) single plate, dry
Clutch Adjustment
PTO Independent, 330 mm (13 in), single plate
Heavy duty clutch optional
Electrical Equipment Battery Lucas 12v, type ATV 17T or ATVZ 17T
Alternator Lucas 16 ACR
Horn Lucas 12v type 6H
Starter Lucas 12v M50
Lamps Watts Part No.
Head (sealed-beam unit) 40/40 ATJ 8746
Head (detachable bulb) 35/35 27H 4728
Side and tail (festoon) 6 BFS 254
Number Plate 6 BFS 989
Panel (capless) 3 37H 2139
Plough (sealed beam unit) 35 37H 2169
Wiring Diagram
Power take-off Location  Central
Height above ground level 775 mm
Spline 34.9 mm Std S.A.E
Rotation Clockwise viewed from rear
Speed See 'Road Speed Table'
Hydraulic power unit Maximum Pressure 161 to 182 kgf/cm2
Time to lift at 2200 rev/min 1.9 sec
Time to drop independent of load and engine speed (maximum rate) 1 sec
Lift-rod lengths (without using screw adjustment):
Lift-rod closed 594 mm
Second position 651 mm
Third position 711 mm
Fully extended 775 mm
Oil strainer securing bolt tightness 5.8 to 9.2 kgf cm
Belt Pulley Location Rear of tractor
Rotation Clockwise (viewed from left hand side)
Speed See 'Road Speed Table'
Pulley belt speed at maximum engine speed (2200 rev/min):
Low ratio and tractor fitted with I.P.T.O 917 m/min
High ratio 1164 m/min
Diameter 230 mm
Width 165 mm
Steering Toe-in 3.2 mm
Power steering reservoir:
Stud tightness 1.11 to 2.77 kgf m
Nut tightness 0.28 to 0.41 kgf m
Wheel Equipment Front tyres (standard) 7.50 x 16, 6 ply
Rear tyres (standard) 12.00 x 36, 6 ply
Tightening torques:
Front wheel nut 11.1 kgf m
Rear wheel nut (flanged axle) 34.6 kgf m
Rear wheel disc nut and bolt 23.5 kgf m
P.A.V.T rim clamp bolt 34.6 kgf m
Sliding hub clamp bolt 34.6 kgf m
Sliding hub to wheel centre nut 17.3 kgf m
Dimensions Wheelbase 2.03 m
Overall length 3.44 m
Overall width 1.74 m
Turning circle (without brakes) 3.66 m
Height to bonnet 1.55 m
Height of silencer 2.26 m
Height to top of cab 2.44 m
Ground clearance:
Front axle 460 mm
Frame 613 mm
Rear axle 615 mm
Capacities Fuel tank 68.2 litres
Engine (including oil filters):
Alloy sump 11.1 litres
Steel sump 9.7 litres
Gearbox and transmission 56.5 litres
Steering box 1.7 litres
Cooling system 13.6 litres
Belt pulley unit 1.4 litres
Weights (approximate) Complete with cab 2860 kg