Jaguar XK120 group S (1950)
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Home » Racing Sports Cars » Jaguar XK120

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1948: Jaguar XK120
1951: Jaguar XK120 M or SE
1954: Jaguar XK120C

Specifications

7612 units built (roadster)
2678 units built (coupe)
Click here and here and here and here
Click here and here for Coupe

Jaguar V12

Engines

Analytical specifications and drawings

Inline 6 cylinder
3442cc capacity
DOHC, 2 valves per cylinder
2 x double SU H6 Carburetors
Power output
1948: 160 HP / 119 KW @ 5000 rpm, 262 Nm / 193 ft lbs @ 2500 rpm
1951 M: 180 HP / 134 KW@ 5300 rpm, 275 Nm / 203 ft lbs @ 4000 rpm

Moss 4 speed Manual gearbox
1st: 3.377/1
2nd: 1.982/1
3rd: 1.367/1
4th: 1.00/1
R: 3.377/1
final drive, 3.54/1 or 4.09/1, 3.77/1, 3.31/1, 4.27/1, 4.55/1
steel body on steel box-type frame
Front suspension double wishbones, torsion bars, Newton telescopic dampers, anti-roll bar
Rear suspension live axle, semi-elliptic leaf springs, Girling lever arm dampers
Burmann recirculating ball steering
Lockheed drums 305 mm diameter, all-round
Length 4394 mm (173 in)
Width 1562 mm (61.5 in)
Height 1397 mm (55 in)
Wheelbase 2591 mm (102 in)
Track (fr/r) 1295 mm (51 in) / 1270 mm (50 in)
wheels 5K x 16"
tires 6.00 × 16"
1200-1300kg
fuel tank, 70 lt
drag coefficient, 0.55


Results in famous races (until 1952) and in WSCC (1953+)

Season
Car entry, chassis number Car number/ result
Targa Florio Mille Miglia Carrera Pan Toscana Le Mans Paris Calabria
Date 2/4 23/4 10/5 4/6 25/6 23/7 6/8
Team 1080km 1600km 3000km 680km 24h 12h 720km
Jaguar Cars, 660040 #735, 5th #17, clutch
Jaguar Cars, 660041 #741, acci dent #15, 12th
Jaguar Cars, 660042 #16, 15th
Jaguar Cars, 660057 #738, dnf
Clemente Biondetti, 660043 #501, eng ine #729, 8th dnf
"I.D.E.B."/ Alessandro Gaboardi #737, 16th
Total points
8
8
Statistics
Works Starts/finishes 10/5 1/0 5/3 1/0 3/2
Drivers Team entries and car number
Jaguar Cars
Leslie Johnson 735 17
John Lea 735
Tommy Wisdom 738
Anthony Hume 738
Nick Haines 741 15
Rodolfo Haller 741
Peter C. T. Clark 15
Peter Whitehead 16
John Marshall 16
Bert Hadley 17
Clemente Biondetti
Clemente Biondetti 501 729 +
Gino Bronzoni 729 +

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Drawings

jaguar_xk_120.jpg Source
jaguar-xk120-roadster-1950.png Source
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