Page 648 of 724
648 6-1. Specifications
Towing capacityRegular Cab models
Model code*1EngineDriving 
systemBed typeTowing capacity
(Trailer weight + cargo)
GSK50L-TRADKA 4.0 L V6
(1GR-FE) engine 2WD
Standard 5200 lb. (2355 kg)
GSK51L-THADKA Long 5100 lb. (2310 kg)
UPK50L-TRTDKA
4.6 L V8
(1UR-FE) engine 2WD
Standard
  7500 lb. (3400 kg)
*2
 9000 lb. (4080 kg)*3
UPK51L-THTDKA
Long  7400 lb. (3355 kg)
*2
  8900 lb. (4035 kg)*3
UPK55L-TRTDKA
4WDStandard
  7200 lb. (3265 kg)
*2
  8700 lb. (3945 kg)*3
UPK56L-THTDKA
Long  7100 lb. (3220 kg)
*2
  8600 lb. (3900 kg)*3
USK50L-TRTDKA
5.7 L V8
(3UR-FE) engine 2WD
Standard   8900 lb. (4035 kg)
*2
  10400 lb. (4715 kg)*3
  9900 lb. (4490 kg)*3,4
USK51L-THTDKA
Long  8800 lb. (3990 kg)
*2
  10800 lb. (4895 kg)*3
USK55L-TRTDKA
4WDStandard   8700 lb. (3945 kg)
*2
  10100 lb. (4580 kg)*3
  9600 lb. (4355 kg)*3,4
USK56L-THTDKA
Long  8600 lb. (3900 kg)
*2
  10500 lb. (4760 kg)*3 
     
        
        Page 649 of 724
649
6-1. Specifications
6
Vehicle specifications
*1: The model code is indicated on the Certification Label. (P. 653)*2: Without towing package*3: With towing package*4: P275/55R20 tires
USK55L-TRTDGA
5.7 L V8
(3UR-FBE) engine 4WDStandard 8700 lb. (3945 kg)
*2
10100 lb. (4580 kg)*3
  9600 lb. (4355 kg)*3,4
USK56L-THTDGA
Long8600 lb. (3900 kg)
*2
10500 lb. (4760 kg)*3
Model code*1EngineDriving 
systemBed typeTowing capacity
(Trailer weight + cargo) 
     
        
        Page 650 of 724
650 6-1. Specifications
Double Cab models
Model code*1EngineDriving 
systemBed typeTowing capacity
(Trailer weight + cargo)
GSK51L-CRASKA 4.0 L V6
(1GR-FE) engine 2WD Standard 4800 lb. (2175 kg)
UPK51L-CRTSKA
4.6 L V8
(1UR-FE) engine 2WD
Standard  7200 lb. (3265 kg)
*2
  8600 lb. (3900 kg)*3
UPK51L-CRTLKA
 7100 lb. (3220 kg)
*2
  8600 lb. (3900 kg)*3
UPK52L-CHTSKA
Long 8500 lb. (3855 kg)
UPK56L-CRTSKA 4WDStandard   6900 lb. (3130 kg)
*2
  8300 lb. (3765 kg)*3
UPK56L-CRTLKA
  6800 lb. (3085 kg)
*2
  8300 lb. (3765 kg)*3
UPK57L-CHTSKA
Long 8200 lb. (3720 kg)
USK51L-CRTSKA
5.7 L V8
(3UR-FE) engine 2WD
Standard   8600 lb. (3900 kg)
*2
  10600 lb. (4805 kg)*3
USK51L-CRTLKA
  8600 lb. (3900 kg)
*2
  10500 lb. (4760 kg)*3
USK52L-CHTSKA
Long 10400 lb. (4715 kg)
USK56L-CRTSKA 4WDStandard   8300 lb. (3760 kg)
*2
  10300 lb. (4670 kg)*3
USK56L-CRTLKA
  8300 lb. (3760 kg)
*2
  10200 lb. (4625 kg)*3
USK57L-CHTSKA
Long 10100 lb. (4580 kg) 
     
        
        Page 651 of 724
651
6-1. Specifications
6
Vehicle specifications
*1: The model code is indicated on the Certification Label. (P. 653)*2: Without towing package*3: With towing package
USK56L-CRTSGA
5.7 L V8
(3UR-FBE) engine 4WD
Standard   8300 lb. (3760 kg)
*2
  10300 lb. (4670 kg)*3
USK56L-CRTLGA
  8300 lb. (3760 kg)
*2
  10200 lb. (4625 kg)*3
USK57L-CHTSGA
Long 10100 lb. (4580 kg)
Model code*1EngineDriving 
systemBed typeTowing capacity
(Trailer weight + cargo) 
     
        
        Page 652 of 724
652 6-1. Specifications
CrewMax models
*1: The model code is indicated on the Certification Label. (P. 653)*2: Without towing package*3: With towing package
Model code*1EngineDriving 
systemBed typeTowing capacity
(Trailer weight + cargo)
UPK51L-PSTSKA
4.6 L V8
(1UR-FE) engine 2WD
Short   7000 lb. (3175 kg)
*2
  8500 lb. (3855 kg)*3
UPK51L-PSTLKA
  7000 lb. (3175 kg)
*2
  8500 lb. (3855 kg)*3
UPK56L-PSTSKA
4WD  6700 lb. (3035 kg)
*2
 8200 lb. (3715 kg)*3
UPK56L-PSTLKA
  6700 lb. (3035 kg)
*2
  8100 lb. (3670 kg)*3
USK51L-PSTSKA
5.7 L V8
(3UR-FE) engine 2WD
  8400 lb. (3810 kg)
*2
  10400 lb. (4715 kg)*3
USK51L-PSTLKA
  8400 lb. (3810 kg)
*2
  10400 lb. (4715 kg)*3
USK56L-PSTSKA
4WD  8100 lb. (3670 kg)
*2
  10100 lb. (4580 kg)*3
USK56L-PSTLKA
  8100 lb. (3670 kg)
*2
  10100 lb. (4580 kg)*3
USK56L-PSTSGA
5.7 L V8
(3UR-FBE) engine 4WD   8100 lb. (3670 kg)
*2
  10100 lb. (4580 kg)*3
USK56L-PSTLGA
  8100 lb. (3670 kg)
*2
  10100 lb. (4580 kg)*3 
     
        
        Page 678 of 724

678 6-1. Specifications
Warning: The temperature grades for this tire are established for a
tire that is properly inflated and not overloaded.
Excessive speed, underinflation, or excessive loading, either
separately or in combination, can cause heat buildup and possible
tire failure.
Glossary of tire terminology
Tire related termMeaning
Cold tire inflation 
pressure
Tire pressure when the vehicle has been 
parked for three hours or more, or has not 
been driven more than 1 mile or 1.5 km under 
that condition
Maximum inflation 
pressureThe maximum cold inflated  pressure to which a 
tire may be inflated, s hown on the sidewall of 
the tire
Recommended 
inflation pressureCold tire inflation pressure recommended by a 
manufacturer
Accessory weight
The combined weight (in excess of those 
standard items which may be replaced) of 
transmission, power steering, power brakes, 
power windows, power seats, radio and heater, 
to the extent that these items are available as 
factory-installed equipment (whether installed 
or not)
Curb weight
The weight of a motor vehicle with standard 
equipment, including the maximum capacity of 
fuel, oil and coolant, and if so equipped, air 
conditioning and additional weight optional 
engine
Maximum loaded 
vehicle weight
The sum of:
(a) Curb weight
(b) Accessory weight
(c) Vehicle capacity weight
(d) Production options weight 
     
        
        Page 679 of 724

679
6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
Normal occupant 
weight150 lb. (68 kg) times the number of occupants 
specified in the second column of Table 1
* that 
follows
Occupant distributionDistribution of occupants in a vehicle as 
specified in the third column of Table 1
* below
Production options 
weight
The combined weight  of installed regular 
production options weighing over 5 lb. (2.3 kg) 
in excess of the standard items which they 
replace, not previously considered in curb 
weight or accessory weight, including heavy 
duty brakes, ride levelers, roof rack, heavy duty 
battery, and special trim
RimA metal support for a tire or a tire and tube 
assembly upon which the tire beads are seated
Rim diameter
(Wheel diameter)Nominal diameter of the bead seat
Rim size designationRim diameter and width
Rim type designationThe industry manufacturer’s designation for a 
rim by style or code
Rim widthNominal distance between rim flanges
Vehicle capacity 
weight (Total load 
capacity)The rated cargo and luggage load plus 150 lb. 
(68 kg) times the vehicle’s designated seating 
capacity
Vehicle maximum load 
on the tire
The load on an individual tire that is determined 
by distributing to each axle its share of the 
maximum loaded vehicle weight, and dividing 
by two
Vehicle normal load 
on the tire
The load on an individual tire that is determined 
by distributing to each axle its share of curb 
weight, accessory weight, and normal 
occupant weight (distr ibuted in accordance 
with Table 1
* below), and dividing by two 
     
        
        Page 681 of 724

681
6-1. Specifications
6
Vehicle specifications
Tire related termMeaning
Innerliner separationThe parting of the innerliner from cord material 
in the carcass
Intended outboard 
sidewall
(a)The sidewall that cont
ains a whitewall, bears 
white lettering, or bears manufacturer, 
brand, and/or model name molding that is 
higher or deeper than the same molding on 
the other sidewall of the tire, or
(b)The outward facing sidewall of asymmetrical  tire that has a particular side that must 
always face outward when mounted on a 
vehicle
Light truck (LT) tire
A tire designated by its manufacturer as 
primarily intended for use on lightweight trucks 
or multipurpose passenger vehicles
Load ratingThe maximum load that a tire is rated to carry 
for a given inflation pressure
Maximum load ratingThe load rating for a tire at the maximum 
permissible inflation pressure for that tire
Maximum permissible 
inflation pressureThe maximum cold inflation pressure to which 
a tire may be inflated
Measuring rimThe rim on which a tire is fitted for physical 
dimension requirements
Open spliceAny parting at any junction of tread, sidewall, or 
innerliner that extends to cord material
Outer diameterThe overall diameter of an inflated new tire
Overall width
The linear distance between the exteriors of 
the sidewalls of an inflated tire, including 
elevations due to labeling, decorations, or 
protective bands or ribs
Passenger car tire
A tire intended for use on passenger cars, 
multipurpose passenger vehicles, and trucks, 
that have a gross vehicle weight rating 
(GVWR) of 10,000 lb. or less