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Jeep 2007-2011 Wrangler Unlimited JK Specifications

Factory specifications for the 2007 Jeep Wrangler Unlimited JK.

ENGINE: 3.8 Liter, OHV, 12-Valve SMPI V-6

Availability
Standard
Type and Description
Six-cylinder, 60° V-type, liquid-cooled
Displacement
230.5 cu. in. (3778 cu. cm)
Bore x Stroke
3.78 x 3.43 (96 x 87)
Valve System
OHV, 12 valves, roller followers, hydraulic lifters
Fuel Injection
Sequential, multi-port, electronic
Construction
Cast-iron block, aluminum alloy heads
Compression Ratio
9.6:1
Power (SAE net)
205 hp (153 kW) @ 5,200 rpm (53.9 hp/L)
Torque (SAE net)
240 lb.-ft. (325 N•m) @ 4,000 rpm
Fuel Recommendation
Unleaded regular, 87 octane (R+M)/2
Oil Capacity
6 qt. (5.7L) plus filter
Coolant Capacity
13.36 qt. (12.64L) Std.
Emission Controls
Three-way catalytic converter, heated oxygen sensors, electronic EGR and internal engine features
Manual Transmission Meets Tier 2 Bin 5 (federal) and LEV II (CA) emission requirements
Automatic Transmission Meets Tier 2 Bin 5 (federal) and ULEV II (CA) emission requirements

Electrical

Alternator
160A
Battery
600 CCA, maintenance-free

Transmission: NSG 370 - 6 Speed ManualTransmission

Availability
Std.—All models
Description
Synchronized in all forward gears and reverse,
multi-rail shift system with top-mounted shift lever
Clutch
Hydraulic actuation
Gear Ratios

1st
4.46
2nd
2.61
3rd
1.72
4th
1.25
5th
1.00
6th
0.84
Reverse
4.06
Axle Ratio
3.21 Std., 4.10 Opt. (Std. on Rubicon)
Overall Top Gear
2.69 Std., 3.44 Opt. (Std. on Rubicon)

Transmission:  42RLE - Automatic Four Speed w/ Overdrive

Availability
Optional
Description
Electronic governor, electronically controlled converter clutch
Gear Ratios

1st
2.84
2nd
1.57
3rd
1.0
4th
0.69
Reverse
2.21
Axle Ratio
4.10
Overall Top Gear
2.83

Transfer Case:  NV241 Rock-Trac

Type
Part-time
Operating Modes
2WD High; 4WD High;
Neutral; 4WD Low
Low Range Ratio
4.0:1
Center Differential Type
None

Transfer Case:  NV241 Rock-Trac

 
Type Part-time
Operating Modes 2WD High; 4WD High;
Neutral; 4WD Low
Low Range Ratio 2:72:1
Center Differential Type None

Dimensions

General Overall Length
173.4 (4404.4)
Overall Width (without mirrors)
73.9 (1877.1)
Height
70.9 (1800.9)
Wheelbase
116.0 (2946.4)
Track, Front
61.9 (1572.3)
Overhang, Front
26.7 ( 678.2)
Overhang, Rear
30.6 ( 777.2)
Maximum Payload (includes occupants and cargo)
1000 lbs. (454 kg)

Clearances


P225/75R16
Tire
P245/75R16
Tire
P255/75/R17
Tire
P255/70R18
Tire
LT255/75R17
Tire
Approach Angle Deg.
40.6
42.1
43.6
44.4
44.4
Breakover Angle Deg.
17.8
19
20.3
20.9
20.8
Departure Angle Deg.
37.5
38.8
40.3
40.7
40.5
Front Axle to ground
9.0 (228.6)
9.6 (243.8)
10.2 (259.1)
10.5 (266.7)
10.5 (266.7)
Rear Axle to ground
8.7 (221.0)
9.3 (236.2)
10.0 (254.0)
10.2 (259.1)
10.1 (256.5)

Curb Weight

Wrangler Unlimited X, Man. Trans
4075 lbs. (1848 kg)
Wrangler Unlimited X Auto. Trans
4100 lbs. (1860 kg)
Wrangler Unlimited Sahara, Man. Trans
4269 lbs. (1936 kg)
Wrangler Unlimited Sahara, Auto. Trans
4294 lbs. (1948 kg)
Wrangler Unlimited Rubicon, Man. Trans
4315 lbs. (1957 kg)
Wrangler Unlimited Rubicon, Auto. Trans
4340 lbs. (1969 kg)

Accommodations

Seating Capacity, F/R
2/3
Front

Headroom
41.3 (1049.0 mm)
Legroom
41.0 (1041.4 mm)
Shoulder Room
55.8 (1417.3 mm)
Hip Room
55.8 (1417.3 mm)
Seat Travel
Driver – 9.055 (230.0mm), passenger – 9.055 (230.0mm)
Front Volume Index, cubic ft. (cu. m)
54.6 (1.55 cu. m)
Rear

Headroom
40.4 (1026.2 mm)
Legroom
37.2 ( 944.9 mm)
Shoulder Room
56.8 (1442.7 mm)
Hip Room
56.7 (1440.2 mm)
Rear Seat Volume Index, cubic ft. (cu. m)
49.4 (1.40 cu. m)
Cargo Liftover Height
31.4 ( 797.6 mm)
Maximum Cargo Width at Swing Gate Opening
58.7 (1491.0 mm)
Minimum Cargo Width at Swing Gate Opening
41.2 (1046.5 mm)
Maximum Cargo Height at Swing Gate Opening
37.1 ( 942.3 mm)
Minimum Cargo Height at Swing Gate Opening
37.0 ( 939.8 mm)
Distance between wheelhouses
44.7 (1135.4 mm)
Cargo Volume cubic ft. (cu. m)

Rear Seat Folded
86.75 (2.46 cu. m)
Rear Seat Upright
46.43 (1.31 cu. m)

Body & Chassis

Layout
Longitudinal front engine, four-wheel drive & two-wheel drive
Construction
Ladder-type frame, open steel body

Suspension

Front
Live axle, leading arms, track bar, coil springs, stabilizer bar,
low-pressure (on 16-inch wheel packages) gas-charged shock absorbers—std.;
Monotube high-pressure (on 17- and 18-inch wheel packages)
gas-charged shock absorbers—std.;
Electronic Sway Bar Disconnect System (ASDS) opt.
Rear
Live axle, trailing arms, track bar, coil springs, stabilizer bar,
low-pressure (on 16-inch wheel packages) gas-charged shock absorbers—std.;
Monotube high-pressure (on 17- and 18-inch wheel packages)
gas-charged shock absorbers—std.

Steering

Type
Power, recirculating ball with damper
Overall Ratio
14.7:1 Overall
Turning Diameter (curb-to-curb)
41.2 ft. (12.56 m) with 225/75R16 tires
Steering Turns (lock-to-lock)
3.5

Chassis

Availability
Std. All
Power Assist Type
8 x 9 dual-diaphragm vacuum
Four-Wheel Anti-Lock with on- and off-road calibrations
Std.
Electronic Stability Program (ESP)
Std.
Parking Brake Type
Drum-in-hat
Front Size and Type
11.9 x 1.1 (302 x 28) vented rotor
with 2.6 (66) single-piston floating caliper
Swept Area (total front)
220.6 inches/caliper
Rear Size and Type
12.44 x 0.47 (316 x 12) solid rotor
with 1.9 (48) single-piston floating caliper
Swept Area (total rear)
207.7 inches/caliper

Wheels

Availability
X Standard
Type and Material
Painted Steel
Size
16 x 7.0
Availability
X Optional
Type and Material
Painted Cast Aluminum
Size
16 x 7.0
Availability
Sahara Standard
Type and Material
Painted Cast Aluminum
Size
17 x 7.5
Availability
Rubicon Standard
Type and Material
Machined Cast Aluminum
Size
17 x 7.5
Availability
Sahara Optional
Type and Material
Painted Cast Aluminum
Size
18 x 7.5

Tires

Availability
X Std.
Size and Type
P225/75R16, On/Off-road, Black Side Wall
Mfr. and Model
Goodyear Wrangler ST
Revs per Mile (km)
712 (1146)
Availability
X Optional
Size and Type
P245/75R16, On/Off-road, Black Side Wall
Mfr. and Mode
Goodyear Wrangler SRA
Revs per Mile (km)
687 (1106)
Availability
Sahara Standard
Size and Type
P255/75R17, On/Off-road, Outlined White Lettered
Mfr. and Model
Goodyear Wrangler SRA
Revs per Mile (km)
661 (1064)
Availability
Sahara Optional
Size and Type
P255/70R18, On/Off-road, Outlined White Lettered
Mfr. and Model
Bridgestone Dueler 693
Revs per Mile (km)
653 (1051)
Availability
Rubicon Standard
Size and Type
LT255/75R17, Off-Road, Black Side Wall
Mfr. and Model
B.F. Goodrich Mud Terrain
Revs per Mile (km)
650 (1046)

Courtesy of Daimler Chrysler Press Release