• Jaguar XK140 DHC

Jaguar XK140 DHC

XK = engine (X-experimental/K-type series)
140 = maximum speed
SE = "Special Equipment" (optional)
M = "Modified" - "Special Equipment" only USA (optional)
MC = "Modified" - "Special Equipment" with C-Type cylinder head only USA (optional)
DHC = Drop Head Coupé

Construction period October 1954 to February 1957
basis price £ 1160

2789 vehicles built
479 vehicles with right hand drive (RHD)
2310 vehicles with right hand drive (LHD)

Chassis Numbers

vehicles with right hand drive (RHD): 807001 to 807480
vehicles with left hand drive (LHD): 817001 to 819311

chassis numbers with a prefixed "A": "Special Equipment"
chassis numbers with a prefixed "S": "Special Equipment", additionally fitted with C-Type cylinder head
chassis numbers with a postfixed "DN": vehicle has integrated "Overdrive"
chassis numbers with a postfixed "BW": vehicle has integrated automatic

Engineering Changes

March 1955

(from DHC Model 807047 and 817268)

Fastening nut in the prop shaft flange at the differential fitted with lock plate. Applies to vehicles with Overdrive and translated 4,09:1 rear axle.

June 1955

(from DHC Model 807080 and 817356)

new rear wheel brake cylinder (part number 39677) fitted

(from DHC Model 807113 and 817426)

Overdrive control circuit is fitted with relays

(from DHC Model 807128 and 817460)

Radiator C.9619 with new bracket C.8830 fitted.

September 1955

(from DHC Model 807237 and 817653)

Self-aligning torque of the steering reduced. The castor angle will shortens from 2,½o-3o to 1,½o-2o.

December 1955

(from DHC Model 807319 and 818393)

Reducing damper switch fitted on vehicles with Overdrive.
Prevents to switch over from Overdrive to the highest gear, if you braking with closed reducing damper.

April 1956

(from DHC Model 807389 and 818488)

strengthen the holding bolt of the rear axle drive in the differential case from 9,5 to 11 mm

September 1956

(from DHC Model 807441 and 818729)

new handbrake lever fitted

October 1956

(from DHC Model 807447 and 818796)

steel doors with wooden frame fitted



inline 6 cylinder 4 stroke


two overhead camshafts (DOHC), which are driven via chain


valve angle 70o, overhead valves

bore x stroke

82 x 106 mm


3442 cc


190 bhp at 5500 rpm
210 bhp at 5750 rpm at SE/MC

maximun torque

210 lb ft at 2500 rpm
213 lb ft at 4000 rpm at SE/MC

compression ratio





front: drum brakes
rear: drum brakes


4 speed manual, as off second speed synchronized, transfer over prop shaft to the rear axle

wheel suspension

front: wishbone with torsion bar springs and hydraulic shock absorbers
rear: rigid axle with flat springs and hydraulic telescope shock absorbers


all-steel body with aluminum doors and bonnet, steel doors (from 1956)


8 ft 6 in


14 ft 8 in


5 ft 2 in


4 ft 5 in

maximum speed

121 mph
125 mph at SE

acceleration 0–60 mph

9.0 sec
8.4 sec at SE

dry weight

26,75 cwt. l.

kerb weight

29 cwt. l.