lorries Trucks
Britain
1950s

Morris LC4 LC5 Austin 301 Trucks

(1952 to 1960)
 Morris LC4 LC5 Austin 301 Trucks history
Production period:1952-1960
 Engines:Gasoline Engine : 2199 cc 
Diesel Engine : 3400 cc
 Payload:1250-1500 t

 

 In April 1952, the Morris LC4 was presented,to replace the previous LC-3,it He had a redesigned front and now an all-steel cab. For supplying fresh air for the cabin adjustable flaps and slots were now incorporated below the windshield and roof. The heating system was improved and the fan was now able to distribute the incoming fresh air. The 3-seater bench now offered an adjustable section for the driver,with its seat on enhanced cushioning.

For the first time there was lockable doors with recessed handles in the interior doors. In the export models hydraulic shock absorbers were completely standard, which were offered in the domestic market as an option. Also changed the size of the wheels had now took account of the post-war trend to smaller diameters. Initially, the same entire body of its predecessor was available.using the same Austin A70 4-cylinder gasoline engine with 2199 cc and 45 kW / 61 hp, whose power was transferred by 4-speed manual transmission via a propshaft to the rear axle.

1956-Morris-Commercial-LC5-ambulance

1956 Morris Commercial LC5 ambulance

 Morris LC5 1954-1960, Austin 301 1953-1957

In 1952  Morris merged with Austin with the engine from BMC .Therefore, from 1953 through Rebadging derived from the Austin Morris 301 LC4.Since also the Morris LD Van appeared, there was now only chassis to build, pickup or truck with a payload of 1500 kg. 1954 was the first time a 3400 cc 4-cylinder diesel engine with 49 kW / 68 PS as an option, initially as LC5 version. From the summer of the entire line was designated as Morris LC5.

The Austin 301 was produced until 1957. The production of Morris LC5 ran until 1960, when it was replaced.by the Morris FG .

Morris Commercial drop side LC5 in heartbeat TV

Morris-Commercial-LC5-in-heartbeat

The Famous (Blow the doors off) 1953 Morris LC5 post office van in The Italian Job Movie

1953-Morris-Commercial-LC5-The-Italian-Job-Movie

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Technical

Service

  • Morris LC4 LC5 maintenance and Service Guide (1952-1960)

    ENGINE LC5 (2.2 litres) petrol

    ELECTRICAL
    Distributor rotation - Anti-clockwise (Type DKY 4A)
    Manual advance - No
    Automatic advance - Centrifugal and vacuum
    Breaker gap - .014 to .016in.
    Plug make and type - Champion N8.B
    Plug gap - .024 to .026in.
    Firing order - 1-3-4-2
    Ignition timing—degrees - T.D.C. (fully retarded)
    Battery—Capacity,Make,type - 12v. 64 a.h., GTW 11A Lucas
    Battery earth—pos or neg - Positive

    CAPACITIES (Imperial)
    Sump—pints - 8
    Gearbox—pints - 2 1/2
    Rear Axle—pints -2 1/2
    Cooling system—pints - 25
    Steering Box—pints - 1
    Air cleaner—pints - 1/4
    Petrol—galls - 10

    Inlet Valve clearance for timing -012in. cold
    Inlet Valve opens—degrees -5° B.T.D.C. Closes 45° after B.D.C
    Exhaust Valve opens— degrees -40° before B.D.C. Closes 10° after

    Tyre size and pressures - 7-50X 16 (8-ply), 35 to 55 lb.; or 8-25X

    © Motor car History

Technical

  • Morris LC4 LC5 Technical details and specifications (1952-1960)

    CLUTCH AND GEARBOX
    Clutch type - Single dry plate, type 9A-6-G
    Type of facing - Borg & Beck composition
    Gear ratio, top - Direct
    Gear ratio, third - 1.589
    Gear ratio, second - 2-800
    Gear ratio, first - 4-987
    Gear ratio, reverse - 5-922

    FRONT AXLE AND STEERING
    Camber - 3°
    Caster angle - 3 1/2
    Toe-in - 1/8 in
    King pin inclination -8°
    Track at ground - Front, 58in.; Rear, 58in.
    Turning circle - 43ft. Oin
    Wheelbase - 1Oft. 1in.

    REAR AXLE
    Type of axle - 3/4-floating
    Type of drive - Spiral bevel and 4-pinion diff.
    Ratio or No. of teeth - 5.714 to 1
    Adjustment - Shims for pinion; paper gaskets for diff.
    Buttress clearance— Crown wheel - .004 to .006
    Lash—ins. Crown and pinion - .01Oin

    BRAKES
    Type - Lockheed Hydraulic. Mech. handbrake on rear wheels. (Later, Girling hyd
    Brake Drum size - 12in.

    SPRINGS
    Type - Semi-elliptic, F. and R.
    Length—Front (loaded) - 36 1/2in.
    No. of leaves—Front - 9
    Length—Rear - 2 1/2in
    No. of leaves—Rear - 8

    GENERAL DIMENSIONS
    Overall Length - 16ft. 5in
    Overall Height - Dependent on type of body fitted
    Overall Width (Front Wings) - 6ft. Oin.
    Ground clearance - 8 in
    Total weight (chassis and cab) - 27} cwt
    Max. gross laden weight - With 8-ply tyres, 7,280 lb.; with 6-ply, 5,600 1b.

    ENGINE LC5 (2.2 litres) petrol

    No. of Cylinders - 4, petrol, O.H.V. Type LEA/3
    R.A.C. Rating - 15-63 h.p
    Cubic capacity - 134.3 cu.in. (2.2 litres)
    B.H.P. (Net) - 46 at 3,250 r.p.m.
    Bore - 79.375mm. (3-125in.)
    Stroke - 111.125mm. (4-375in.)
    Compression Ratio - 6-8:1
    System of Cooling - Radiator, w. pump, thermostat, fan -
    Firing order - 1-3-4-2
    No. of compression rings - 3
    No. of oil rings - 1
    Oil pressure, lb. sq. in. - 50 to 55
    Gudgeon pin type - Clamped in rod, floating in piston
    No. of crankshaft bearings - 3
    Type of bearings Main - Detachable shells, white-metal lined
    No.of Carnshaft bearings -3
    Camshaft drive (type) -Duplex roller chain
    Valve timing markings -Marked teeth on gears
    Tappet type -Cylindrical, operating push rods

    Carburettor make & type -Solex downdraught, 32 B.I.P.
    Choke tube -24
    Main jet -110
    Air jet - 200; Pump jet, 55
    Auxiliary jet -45; Economy jet, 50
    Starter petrol jet - 140; Starter air jet, 6

    © Motor car History