Daimler DR450 Limousine
|Manufacturer||The Daimler Company Limited|
|Production||1961 to 1968|
|Body style||4-door 8-passenger limousine|
|Engine||4.561 litres (278 cu in) V8|
|Transmission||Borg Warner DG12 automatic|
|Wheelbase||3,505 mm (138.0 in)|
|Length||5,740 mm (226.0 in)|
|Width||1,868 mm (73.5 in)|
|Height||1,615 mm (63.6 in)|
|Kerb weight||2,122 kg (4,678 lb)|
The Daimler DR450 is a limousine variant of the Majestic Major DQ450 saloon. Produced from 1961 to 1968, it was the last complete car designed by The Daimler Company Limited.
Intended for the carriage trade, as an executive express or as a hire car for those needing something larger than a five-seater saloon, the DR450 was produced in numbers close to those of the Majestic Major saloon on which it was based.
Design and specifications
The chassis was 24.0 in (609.6 mm) longer than for the Majestic Major and the necessarily flat glass of the three side-windows no longer could be let flow with the body-shape. The equally flat-windowed but bulbous Jaguar Mark X was released to the market the same year. The 4,561 cc (278 cubic inch) hemi-head engine pushed the 2¼ tonnes of car and driver to 100 km/h in under 11 seconds, to 100 mph in 37 seconds and provided a top speed of 183 km/h (114 miles per hour), rather better than the much shorter lighter 5-passenger Jaguar Mark X.The distribution of weight: 51% front axle, 49% rear axle.
chassis: massive box-section and cross-braced frame, separate from the all-steel body suspensionfront: Girling type with semi-trailing wishbones and forward facing arms, coil springs, Girling telescopic dampersrear: live axle, half-elliptic leaf springs, Girling telescopic dampers
Brakes:Dunlop disc brakes vacuum-servo assisted front: 12.5 in (317.5 mm)rear: 12 in (304.8 mm)wheels: 16 in (406.4 mm) pressed steel, 5 studs, rims—5.5 in (139.7 mm) tyres: Dunlop RS5, 700-16 with tubes steering: Hydrosteer power assisted ,steering wheel diameter 18 in (457.2 mm)Steering column: adjustable for reach,headlamps two 50/40 watts and fog lamps
seating, 8-seater Limousine three on the front bench seat, three on the back seat and two on the folding occasional seatsfolding occasional seats have received particular care in shaping for comfort and support. They fold away into their own footwells below the division when not required
- Engine Capacity 278.31 cu in, 4,561 cu cm
- Fuel Consumption 17.1 m/imp gal, 14.2 m/US gal, 16.5 1 x 100 km
- Max Speed 113 mph, 181.9 km/h
- max power (SAE): 223 hp at 5,500 rpm
- max torque (SAE): 283 1b ft, 39.1 kg m at 3,200 rpm
- max number of engine rpm: 6,000
- specific power: 48.9 hp/l
- power-weight ratio: 20.9 lb/hp, 9.5 kg/hp
- acceleration: standing 1/4 mile 18 sec, 0—50 mph (0—80 km/h) 8.2 sec
A 1966 Daimler DR450 Limousine in The Italian Job Movie from 1969
Daimler DR450 Limousine Technical details and specifications (1961-1968)
front, 4 stroke
cylinders: 8, Vee-slanted at 90°
bore and stroke: 3.75 x 3.15 in, 95.2 x 80 mm
engine capacity: 278.31 cu in, 4,561 cu cm
compression ratio: 8
cylinder block: cast Iron
cylinder head: light alloy
crankshaft bearings: 5
valves: 2 per cylinder, overhead, Vee-slanted at 70°, push-rods and rockers
camshafts: 1, at centre of Vee
lubrication: gear pump, full now filter
lubricating system capacity: 14.60 Imp pt, 17.55 US pt, 8.3 1
carburation: 2 SU type HD 8 semi-downdraught carburettors
fuel feed: 2 electric pumps
cooling system: wate
driving wheels: rear
gearbox: Borg-Warner automatic, hydraulic torque convertor and planetary 'gears with 3 ratios + reverse
max ratio of convertor at stall 2.2
gearbox ratios: 1st 2.308, 2nd 1.435, 3rd 1, rev 2.009
gear selector lever: steering column
final drive: hypoid bevel; axle ratio: 3.770.
type box-type ladder frame, X reinforcements
front suspension: independent, wishbones, coil springs, anti-roll bar, telescopic dampers
rear suspension:rigid axle, semi-elliptic leafsprings, telescopic dampers.
recirculating ball, servo
turns of steering wheel lock to lock: 4.50.
turning circle (between walls): 50 ft, 15.2 m
disc (front diameter 12.61 in, 321 mm, rear 12.01 in, 305 mm)
vacuum servo; area rubbed by linings: total 584 sq in, 3,766.80 sq cm.
voltage: 12 V
battery: 72 Ah
dynamo: 360 W
ignition distributor: Lucas
DIMENSIONS AND WEIGHT
wheel base: 138 in, 3,505 mm
front track: 57 in, 1,448 mm
rear track: 57 in, 1,448 mm
overall length: 226 in, 5,740 mm
overall width: 73.25 in, 1,860 mm
overall height: 65.55 in, 1,665 mm
ground clearance: 7 in, 178 mm
dry weight: 4,650 1b, 2,109 kg
distribution of weight: 51% front axle, 49% rear axle
Daimler (Turner) 4½ litre V8 Engine
Configuration 90 degree V eight-cylinder Displacement 4.561 litres (278 cu in) Cylinder bore 95.3 mm (3.8 in) Piston stroke 80 mm (3.1 in) Cylinder block Cast iron Cylinder head Aluminium alloy, hemispherical combustion chambers Valvetrain OHV by pushrods and rockersTwo valves per cylinder hemispherical head Compression 8.0:1 Fuel system Carburettors—twin S.U. HD8; fuel pump—SU electric Aua 61 Management None Fuel type Petrol Oil system Filter—Full flow replaceable element Cooling Water Power 220 bhp (160 kW; 220 PS) @ 5,500 rpm Torque 383.7 N·m (283.0 lbf·ft) @ 3,200 rpm. Length 31.25 in (793.8 mm) Width 25.5 in (647.7 mm) Height 31 in (787.4 mm) Dry weight 498 lb (226 kg)
© Motor car History
Daimler DR450 Limousine maintenance and Service Guide (1961-1968)
fuel: 98 oct petrol
engine oil: 13.20 imp pt, 15.85 US pt, 7.5 1, SAE 20 (winter) 30 (summer), change every 2,500 miles, 4,000 km
gearbox oil: 10 imp pt, 12.05 US pt, 5.7 1, special automatic transmission fluid, change every 25,000 miles, 40,200 km
final drive oil: 3 imp pt, 3.59 LIS pt. 1.7 1, change every 10,000 miles, 16,100 km
cooling system capacity: 25 imp pt, 30.02 US Pt, 14.2 1.
greasing: every 2,500 miles, 4,000 km, 16 points
tappet clearances: inlet 0.011 in, 0.28 mm, exhaust 0.014 in, 0.36 mm
valve timing: inlet opens 13° before tdc and closes 65° after bdc, exhaust opens 55° before bdc and closes 23° after tdc
normal tyre pressure: front 27 psi, 1.9 atm, rear 30 psi, 2.1 atm.
width of rims: 5.5"
tyres: 7.00 x 16
fuel tank capacity: 18 imp gal, 21.6 US gal, 82 1.
carrying capacity: 1,411 1b, 640 kg
© Motor car History
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