The Monterra family of extreme-duty trucks are the most capable and versatile chassis in the North American truck market today.

From its 46-inch tires up, The Acela Monterra was designed to dominate the toughest, most rugged job sites on Earth. The Monterra line of trucks offer supreme maneuverability, durability, and customization—the perfect all-in-one job site solution for any extreme-duty commercial fleet.

Monterra' unmatched capability means they can get to and maneuver through any job site better than any other Class 6-8 truck, and even reduce or eliminate your job site access road maintenance costs. Companies rely on their on- and off-road capability and 22-inch ground clearance to get just about anywhere, even without well-maintained roads. And they count on the Monterras’ reliability to work every day of the year, year after year, no matter the weather or conditions.

Width 96 in (2,438 mm)
Height 112 in (2,845 mm)
Length 252 in (6,401 mm)
Wheelbase 154 in (4,100 mm)
Turning Radius 55.4 ft (16.9 m)
Ground Clearance
   Loaded 22 in (559 mm)
   Under Axle 14.4 in (365 mm)
Approach/Departure Angles 40º/40º
Curb Weight (with fuel) 14,601 lb (6,623 kg)
Maximum GVWR 23,600-29,000 lb (10,705-13,562 kg)
Maximum Payload* 8,999-15,389 lb (4,082-6,980 kg)
Maximum Towed Load 12,000 lb (5,443 kg)
Maximum Speed (Standard Gearing)
Optional 74MPH (120 km/h) High Speed Gears Available
58 MPH (94 km/h)
Fuel Tank 58 gal (220 L)
Optional Long-Range Fuel Tanks Available
400+ mi (645+ km)
Maximum Grade/Side Slope 60%/30%
Water Fording Depth 30 in (762 mm)
Cab (Extended)
General Air Ride, Cab-Over Design
Trim Commercial-Grade Trim Package, Heavy-Duty Heat and Sound Insulation
Entertainment AM/FM/DVD 6.2” Touchscreen Stereo
*Air-Ride, 3rd Seating Position and other Seating Options Available
2-person, Adjustable, Ergonomic, High-Back Seats
Caterpillar 3126 or C7 6-Cylinder, 7.2 L, Electronically Controlled, Fuel-Injected, Turbocharged and Aftercooled, EPA Certified
Rating 330 HP (246 kW) @ 2400 RPM
Displacement 441 cu in (7.2L)
Torque 860 ft-lb (1,166 Nm) @ 1440 RPM
Fuel Type Diesel
Oil 15W40, 22 qt (21L)
Allison MD 3700-Series Automatic, 7-speed, Electronically-Controlled
Full-Time AWD Integral Transfer Case
Lubricant TF, 31.8 qt (30 L)
Axles, Meritor RF-611Series
Front 14,700 lb (6,668 kg) GAWR
Rear 19,000 lb (8,618 kg) GAWR
Locker Automatic, Detroit Style, Rear Axle
Carrier Single Reduction, Amboid-Gearing
Wheel End Bevel Wheel End Reduction, Ratio 2:1
Final Gear Ratio Optional: 3.07:1 Available Standard: 3.90:1
Front Axle Steering Angle 35°
Steering Power Assisted, Recirculating Ball, Adjustable Tilt Wheel
Front Parabolic-Tapered Leaf Springs with Hydraulic Twin-Tube Shock Absorbers
Rear Parabolic-Tapered Leaf Springs with Hydraulic Twin-Tube Shock Absorbers and Stabilizer Bar
Primary Dual-Circuit, Four-Channel Air, Anti-Lock Braking System (ABS)
Supplemental Air-Actuated, Driver Controlled Exhaust “Jake” Brake
Tires 46 in GoodYear MV/T, 14-Ply, 81-MPH-Rated, Load-Range G, Super-Singles (9,370 lb (4,250 kg) Max. load rating)
CTIS, Dana/Eaton
General Cab-Mounted Electronic Controls, Operable While Driving in Highway, Cross-Country, Sand/Mud/Snow, and Emergency Modes
Pressure Range 14-95 PSI (1.5-6.6 Bar)
System Dual Voltage, 12/24VDC, Central Power Distribution Panel
Alternator 100 amp, 12/24 volt, Waterproof, EMI/RFI Suppressed
Starter 24 VDC, Waterproof
Batteries Dual 8D Commercial Batteries, CCA: 2700, CA 3380, 880A Load
Instrumentation Can Bus-Driven Instrument Cluster
Exterior Lighting C/FMVSS Compliant, Ships with Temp. Rear Lighting
  • High-Speed Gearing (Max. Speed 74 MPH)
  • Payload Upgrade Packages
  • Dash-Mounted USB Power Ports
  • 3rd Passenger Seat*
  • Air-Ride Seating*
  • Seat Armrests
  • SiriusXM Satellite Radio
  • Navigation
  • Rear Window (Includes Rear View Mirror)
  • Back-Up Camera System
  • Back-Up Alarm
  • Roadside Warning Triangle Kit
  • Extended-Range Fuel Tank
  • Spare Tire Delete Package
  • Doors Keyed Alike (Fleet Only)
  • Engine Block Heater
  • Custom Exterior Paint Color (Fleet Only)
  • Pintle Trailer Hitch with ABS-Capable Trailer Wiring
  • PTO Prep Package
  • MSHA/CanOSH/OSHA-Compliant Entry/Exit Steps*
  • Lug Nut Safety Indicators
  • CTIS Delete
  • Tire Pressure Monitoring System
  • Additional Axle Locker*
  • Front License Plate Bracket
  • Ships with Temporary Rear STT/ICC Lighting
*Limited or Restricted Availability

The Acela difference

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