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Selected Off-Highway Trucks 777 (07)	Remove Off-Highway Trucks 775 (07)	Remove Off-Highway Trucks 773 (07)

Off-Highway Trucks Selected 777 (07) MSRP Availability Contact Dealer Model Details Compare with Competitors Selected 777 (07) Model Details Compare with Competitors	Off-Highway Trucks Remove 775 (07) MSRP Availability Contact Dealer Model Details Compare with Competitors Remove 775 (07) Model Details Compare with Competitors	Off-Highway Trucks Remove 773 (07) MSRP Availability Contact Dealer Model Details Compare with Competitors Remove 773 (07) Model Details Compare with Competitors
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Engine
Engine Model
Cat® C32B Cat® C32B	Cat® C27 Cat® C27	Cat® C27 Cat® C27
Rated Engine Speed
-	2000 r/min 2000 r/min	2000 r/min 2000 r/min
Gross Power - SAE J1995
1025 HP 765 kW	825 HP 615 kW	775 HP 578 kW
Net Power - SAE J1349
916 HP 683 kW	783 HP 584 kW	733 HP 546 kW
Net Power - ISO 9249
-	791 HP 590 kW	741 HP 552 kW
Net Power - 80/1269/EEC
-	791 HP 590 kW	741 HP 552 kW
Bore
5.7 in 145 mm	5.4 in 137 mm	5.4 in 137 mm
Stroke
6.4 in 162 mm	6 in 152 mm	6 in 152 mm
Displacement
1959 in³ 32.1 l	1648 in³ 27 l	1648 in³ 27 l
Engine Speed
1800 r/min 1800 r/min	-	-
Net Torque
-	2874 ft-lb 3896 N·m	2689 ft-lb 3646 N·m
Engine Power - ISO 14396
1008 HP 752 kW	813 HP 607 kW	763 HP 569 kW
Peak Torque - Speed
1200 r/min 1200 r/min	1300 r/min 1300 r/min	1300 r/min 1300 r/min
Cylinders
12 12	-	-
Net Torque Rise
Tier 4: 39%. Tier 2: 37% Tier 4: 39%. Tier 2: 37%	-	-
Note (1)
Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard. Power rating applies at 1,800 rpm when tested under the specified condition for the specified standard.	Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.	Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard. Power rating applies at 2,000 rpm when tested under the specified condition for the specified standard.
Note (2)
Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F). Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).	Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F). Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).	Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F). Ratings based on SAE J1995 standard air conditions of 25° C (77° F) and 100 kPa (29.61 Hg) barometer. Power based on fuel having API gravity of 35 at 16° C (60° F) and an LHV of 42 780 kJ/kg (18,390 BTU/lb) when engine used at 30° C (86° F).
Note (3)
Available as Tier 4 Final/Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards. Available as Tier 4 Final/Stage V equivalent, Tier 3/Stage IIIA equivalent, or Tier 2/Stage II equivalent emission standards.	No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent.	No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent. No engine derating required up to 3810 m (12,500 ft) for Tier 2 Equivalent.
Note (4)
Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2. Meets China Nonroad Stage III emission standards equivalent to U.S. EPA Tier 3 or U.S. EPA Tier 2.	-	-
Weights - Approximate
Target Gross Machine Weight
363000 lb 164654 kg	-	-
Maximum Gross Vehicle Weight
-	246503 lb 111812 kg	226503 lb 102740 kg
Operating Specifications
Nominal Payload Class (100%)
-	71.3 ton (US) 64.6 t	61.7 ton (US) 56 t
Target Payload (100%)
101.1 ton (US) 91.7 t	71.3 ton (US) 64.6 t	61.7 ton (US) 56 t
Top Speed - Loaded
40.9 mile/h 65.9 km/h	42 mile/h 67.6 km/h	42 mile/h 67.6 km/h
Maximum Working Payload (110%)
111.2 ton (US) 100.9 t	78.3 ton (US) 71.1 t	67.8 ton (US) 61.5 t
Maximum Allowable Payload (120%)*
121.3 ton (US) 110.1 t	85.5 ton (US) 77.5 t	74 ton (US) 67.1 t
Body Capacity - SAE 2:1
83.1 yd³ 63.5 m³	55.23 yd³ 42.23 m³	46.75 yd³ 35.75 m³
Note (1)
Capacity with flat floor X Body with liner. Capacity with flat floor X Body with liner.	Capacity with Dual Slope body – no liner. Capacity with Dual Slope body – no liner.	Capacity with Dual Slope body – no liner. Capacity with Dual Slope body – no liner.
Note (2)
* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations. * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross vehicle weight limitations.	* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.	* Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations. * Refer to the Caterpillar 10/10/20 Payload Policy for maximum gross machine weight limitations.
Transmission
Forward - 1
6.6 mile/h 10.7 km/h	6.7 mile/h 10.8 km/h	6.7 mile/h 10.8 km/h
Forward - 2
9.1 mile/h 14.6 km/h	9.4 mile/h 15.1 km/h	9.4 mile/h 15.1 km/h
Forward - 3
11.9 mile/h 19.2 km/h	12.7 mile/h 20.4 km/h	12.7 mile/h 20.4 km/h
Forward - 4
16.6 mile/h 26.7 km/h	17 mile/h 27.4 km/h	17 mile/h 27.4 km/h
Forward - 5
22.5 mile/h 36.2 km/h	23 mile/h 37 km/h	23 mile/h 37 km/h
Forward - 6
30.2 mile/h 48.6 km/h	31.1 mile/h 50.1 km/h	31.1 mile/h 50.1 km/h
Forward - 7
40.9 mile/h 65.9 km/h	42 mile/h 67.6 km/h	42 mile/h 67.6 km/h
Reverse
7.5 mile/h 12.1 km/h	8.8 mile/h 14.1 km/h	8.8 mile/h 14.1 km/h
Note
Maximum travel speeds with standard 27.00R49 (E4) tires. Maximum travel speeds with standard 27.00R49 (E4) tires.	Maximum travel speeds with standard 24.00R35 (E4) tires. Maximum travel speeds with standard 24.00R35 (E4) tires.	Maximum travel speeds with standard 24.00R35 (E4) tires. Maximum travel speeds with standard 24.00R35 (E4) tires.
Final Drives
Differential Ratio
2.736:1 2.736:1	3.64:1 3.64:1	3.64:1 3.64:1
Planetary Ratio
7.0:1 7.0:1	4.80:1 4.80:1	4.80:1 4.80:1
Total Reduction Ratio
19.1576:1 19.1576:1	17.49:1 17.49:1	17.49:1 17.49:1
Brakes
Brake Surface - Front
-	25.7 in² 655 cm²	257 in² 655 cm²
Brake Surface - Rear
-	9497 in² 61269 cm²	9497 in² 61269 cm²
Brake Standards
ISO 3450-2011 ISO 3450-2011	ISO 3450:2011 ISO 3450:2011	ISO 3450:2011 ISO 3450:2011
Brake Surface Area - Rear
15828 in² 102116 cm²	-	-
Brake Surface Area - Front
6331 in² 40846 cm²	-	-
Body Hoists
Pump Flow - High Idle
120.9 gal/min 458 l/min	118 gal/min 448 l/min	118 gal/min 448 l/min
Relief Valve Setting - Raise
2750 psi 18950 kPa	2502 psi 17250 kPa	2502 psi 17250 kPa
Relief Valve Setting - Lower
500 psi 3450 kPa	500 psi 3450 kPa	500 psi 3450 kPa
Body Raise Time - High Idle
15 s 15 s	9.5 s 9.5 s	9.5 s 9.5 s
Body Lower Time - Float
13 s 13 s	12.5 s 13 s	13 s 13 s
Body Power Down - High Idle
-	13 s 13 s	13 s 13 s
Body Lower Time - High Idle
13 s 13 s	-	-
Capacity - Dual Slope - 100% Fill Factor
Struck
54.8 yd³ 41.9 m³	42.7 yd³ 32.6 m³	35.13 yd³ 26.86 m³
Heaped (SAE 2:1)*
78.6 yd³ 60.1 m³	55.5 yd³ 42.2 m³	46.76 yd³ 35.75 m³
Note (1)
Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.	Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.	Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
Note (2)
ISO 6483:1980 ISO 6483:1980	ISO 6483:1980 ISO 6483:1980	* ISO 6483:1980. * ISO 6483:1980.
Capacity - Flat Floor - 100% Fill Factor
Struck
-	42.2 yd³ 32.3 m³	34.33 yd³ 26.25 m³
Heaped (SAE 2:1)*
-	55.2 yd³ 42.2 m³	46.41 yd³ 35.49 m³
Note (1)
-	Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.	Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.
Note (2)
-	ISO 6483:1980 ISO 6483:1980	* ISO 6483:1980. * ISO 6483:1980.
Weight Distributions - Approximate
Front Axle - Empty
42 % 42 %	52 % 52 %	53 % 53 %
Front Axle - Loaded
33 % 33 %	34 % 34 %	35 % 35 %
Rear Axle - Empty
58 % 58 %	48 % 48 %	47 % 47 %
Rear Axle - Loaded
67 % 67 %	66 % 66 %	65 % 65 %
Suspension
Rear axle - Oscillation
5.4 ° 5.4 °	8.1° 8.1°	8.1 ° 8.1 °
Empty Loaded Cylinder Stroke Rear
2.5 in 66 mm	5.8 in 149 mm	5.8 in 149 mm
Empty Loaded Cylinder Stroke Front
2.9 in 74.7 mm	9.2 in 234 mm	9.2 in 234 mm
Service Refill Capacities
Fuel Tank (1)
300 gal (US) 1136 l	-	-
Fuel Tank (2)
350 gal (US) 1325 l	-	-
Fuel Tank
-	210 gal (US) 795 l	210 gal (US) 795 l
Cooling System
61 gal (US) 231 l	40.6 gal (US) 154 l	45 gal (US) 171 l
Crankcase
28.7 gal (US) 109 l	24 gal (US) 90 l	24 gal (US) 90 l
Differential - Final Drives
-	37 gal (US) 140 l	38 gal (US) 145 l
Differentials
59.9 gal (US) 227 l	-	-
Final Drive - Each
20 gal (US) 76 l	-	-
Steering Tank
-	9.5 gal (US) 36 l	9.5 gal (US) 36 l
Steering System - Including Tank
14.1 gal (US) 53.6 l	14 gal (US) 54 l	14 gal (US) 54 l
Brake Hoist System
117 gal (US) 444 l	85 gal (US) 322 l	85 gal (US) 322 l
Torque Converter - Transmission System
36.5 gal (US) 138.5 l	-	-
Torque Converter - Transmission System - LRC
-	16 gal (US) 61 l	16 gal (US) 61 l
Torque Converter - Transmission System - HRC
-	18 gal (US) 70 l	-
Brake/Hoist Hydraulic Tank
-	46.5 gal (US) 176 l	46.5 gal (US) 176 l
Tires
Standard Tire
27.00R49 (E4) 27.00R49 (E4)	24.00R35 (E4) 24.00R35 (E4)	24.00R35 (E4) 24.00R35 (E4)
Note (1)
Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. Productive capabilities of the 777 truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.	Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. Productive capabilities of the 775G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.	Productive capabilities of the 773G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production. Productive capabilities of the 773G truck are such that, under certain job conditions, TKPH (TMPH) capabilities of standard or optional tires could be exceeded and, therefore, limit production.
Note (2)
Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.	Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection. Caterpillar recommends the customer evaluate all job conditions and consult the tire manufacturer for proper tire selection.
ROPS
FOPS Standards
Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.	Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. Falling Objects Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.	Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria. Falling Object Protective Structure (FOPS) meets ISO 3449:2005 Level II FOPS criteria.
ROPS Standards
Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.	Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.	Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria. Rollover Protective Structure (ROPS) for cab offered by Caterpillar meets ISO 3471:2008 ROPS criteria.
Sound
Sound Standards (1)
The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed. The operator Equivalent Sound Pressure Level (Leq) is 73 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.	The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed. The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.	The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed. The operator Equivalent Sound Pressure Level (Leq) is 76 dB(A) when SAE J1166 FEB2008 is used to measure the value for an enclosed cab. This is a work cycle sound exposure level. The cab was properly installed and maintained. The test was conducted with the cab doors and the cab windows closed.
Sound Standards (2)
The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 83 dB(A). The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 83 dB(A).	The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A). The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A).	The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A). The exterior sound pressure level for the standard machine measured at a distance of 15 m (49 ft) according to the test procedures specified in SAE J88:2008, mid‑gear moving operation is 86 dB(A).
Sound Standards (3)
Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.	Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.	Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment. Hearing protection may be needed when operating with an open operator station and cab (when not properly maintained or doors/windows open) for extended periods or in a noisy environment.
Steering
Turning Diameter - Front
83 ft 25.3 m	72.2 ft 22 m	77.1 ft 23.5 m
Steering Standards
ISO 5010:2007 ISO 5010:2007	ISO 5010:2007 ISO 5010:2007	SAE J1511 FEB94 ISO 5010:1992 SAE J1511 FEB94 ISO 5010:1992
Steer Angle
30.5 ° 30.5 °	31 ° 31 °	31 ° 31 °
Turning Circle - Clearance Diameter
93 ft 28.4 m	82 ft 25 m	85.8 ft 26.1 m
Capacity - X Body - 100% Fill Factor
Struck
56.3 yd³ 43.1 m³	-	-
Heaped (SAE 2:1)*
83.8 yd³ 64.1 m³	-	-
Note (1)
Contact your local Cat dealer for body recommendation. Contact your local Cat dealer for body recommendation.	-	-
Note (2)
ISO 6483:1980 ISO 6483:1980	-	-
Capacity - Coal Bodies - 100% Fill Factor
SAE 2:1 - For use with material densities of 1160 kg/m3 (1,950 lb/yd3)
116.8 yd³ 89.3 m³	-	-
SAE 2:1 - For use with material densities of 1040-1160 kg/m3 (1,750-1,950 lb/yd3)
139 yd³ 106 m³	-	-
SAE 2:1 - For use with material densities of 950-1040 kg/m3 (1,600-1,750 lb/yd3)
144 yd³ 110 m³	-	-
SAE 2:1 - For use with material densities less than 950 kg/m3 (1,600 lb/yd3)
164.6 yd³ 125.9 m³	-	-

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