• Jaguar XK150 OTS

Jaguar XK150 OTS

XK = engine (X-experimental/K-type series)
150 = maximum speed
SE = "Special Equipment" (optional)
S = fitted with three carburator (optional)
OTS = Open Two Seater

Construction period March 1958 to October 1960
basis price £ 1175 (engine 3.4)
basis price £ 1457 (engine 3.4S)
basis price £ 1457 (engine 3.8)
basis price £ 1535 (engine 3.8S)

2265 vehicles built
92 vehicles with right hand drive (RHD)
2173 vehicles with left hand drive (LHD)

Chassis Numbers

vehicles with right hand drive (RHD): 820001 to 820093
vehicles with left hand drive (LHD): 830001 to 832174

chassis numbers with a prefixed "S": "Special Equipment"
chassis numbers with a prefixed "T": "Special Equipment", with 3,8 litre engine
chassis numbers with a postfixed "DN": vehicle has integrated "Overdrive"
chassis numbers with a postfixed "BW": vehicle has integrated automatic

Engineering Changes

July 1958

(from OTS Model 830439)

dashboard extended with rheostat switch, marked 'heater, fast-slow', for heater fan motor next to the rev. counter

(from OTS Model 820001 and 830960)

Flat springs of the rear axle replaced by new ones with stronger main layer and altered spring eye and Nylon interleaving introduced.

January 1959

(from OTS Model 820004 and 831712)

brake calipers with square quick-change brake pads now standard

(from OTS Model 820004 and 831698)

ball joints with larger load ball and therefore a higher diffraction angle fitted

April 1959

(from OTS Model 820001 and 831250)

new rear bumper with closer spaced overriders fitted

June 1959

(from OTS Model 820001 and 830560)

Ventilation on the fuel tank expanded and the overflow through of the filler neck fitted

(from OTS Model 820001 and 830001)

car boot hinges with suspension fitted

(from OTS Model 820014 and 831825)

ashtray transfered from the door to the gearbox tunnel

(from OTS Model 820001 and 832071)

prism-shaped grinded rear view mirror (C.14920) fitted

(from OTS Model 832088)

stronger alternator with 25 amps and custom controller fitted

(from OTS Model 820038 and 832074)

The springs of the cover hinges from the trunk are preloaded, so the trunk cover stays open by itself. It omitted the support struts together with brackets.

(from OTS Model 820039 and 832076)

The three sieve air filter of the "S" version are replaced by a single air filter with paper element.

(from OTS Model 820043 and 832089)

clutch slave cylinder with stronger bracket equipped

(from OTS Model 820043 and 832089)

mechanical rev. counter replaced by electrically powered rev. counter

July 1959

(from OTS Model 820017 and 831899)

vacuum supply tank for brake booster (Reservac tank) fitted

January 1960

(from OTS Model 820066 and 832113)

new brake master cylinder fitted

April 1960

(from OTS Model 820071 and 832120)

dashboard modified and integrated tell-tale light for hand brake and low brake pressure
supply tank for brake fluid made of polyethylene fitted
hand brake pads with pad grade M.34 fitted
Tailpipe plugged on exhaust silencer and secured with clamp, not welded.
new rear shock absorber with 35 mm damper piston fitted

Mai 1960

(from OTS Model 820071)

Brake Pads Ferodo DS.5 replaced by Mintex M.33

November 1960

(from OTS Model 820069)

red short fibre carpet instead of red loop-pile carpet fitted

(from OTS Model 832118)

light brown short fibre carpet instead of light brown loop-pile carpet fitted

(from OTS Model 832131)

dark blue short fibre carpet instead of dark blue loop-pile carpet fitted

(from OTS Model 832122)

black short fibre carpet instead of black loop-pile carpet fitted

(from OTS Model 832138)

New headlights for the U.S. export vehicles introduced, due to the new U.S. traffic offence.

 

Specifications

engine

inline 6 cylinder 4 stroke

gear

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

valve

valve angle 70o, overhead valves

bore x stroke

82 x 106 mm
87 x 106 mm (engine 3.8)

displacement

3442 cc
3781 cc

performance

190 bhp at 5500 rpm (engine 3.4)
210 bhp at 5500 rpm (engine 3.8 SE)
250 bhp at 5500 rpm (engine 3.4S)
220 bhp at 5500 rpm (engine 3.8)
265 bhp at 5500 rpm (engine 3.8S)

maximun torque

210 lb ft at 2500 rpm (engine 3.4)
216 lb ft at 3000 rpm (engine 3.4 SE)
240 lb ft at 4500 rpm (engine 3.4S)
240 lb ft at 3000 rpm (engine 3.8)
260 lb ft at 4000 rpm (engine 3.8S)

compression ratio

8:1
9:1

cooling

water

brake

front: disc brakes with service assistant
rear: disc brakes with service assistant

transmission

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

body

all-steel body with steel doors and aluminum bonnet

wheelbase

8 ft 6 in

length

14 ft 8 in

width

5 ft 4,5 in

height

4 ft 4,5 in

maximum speed

123 mph (engine 3.4)
135 mph (engine 3.4S)
134 mph (engine 3.8)
137 mph (engine 3.8S)

acceleration 0–60 mph

8.9 sec (engine 3.4)
7.5 sec (engine 3.4S)
7.8 sec (engine 3.8)
7.5 sec (engine 3.8S)

dry weight

--- cwt. l.

kerb weight

28,5 cwt. l.