Target Audience:
Hunters, ranchers, landowners and recreational riders needing a mid-size utility ATV
Market Segment:
Mid-displacement 4x4 utility ATV class
Key Advantage:
Lightweight mid-size chassis with selectable 2WD/4WD and locking front differential at a mid-range price point
Main Competitors:
Honda Rancher 420, Polaris Sportsman 450, Yamaha Kodiak 450
Drivetrain:
Selectable 2WD/4WD with locking front differential
Engine:
443cc single-cylinder SOHC 4-stroke
Rack Capacity:
Front and rear steel cargo racks
Braking:
Hydraulic disc brakes
Manual Type:
Factory-style service and repair manual
Delivery Method:
Instant digital download
Binding:
Digital (PDF document)
Device Compatibility:
Windows, Mac, tablet and smartphone PDF readers
Printable:
Yes, pages can be printed for workshop use
Systems Covered:
Engine, fuel, cooling, lubrication, transmission, drive train, electrical, brakes, suspension, steering, body and frame
Procedures Included:
Removal, disassembly, inspection, assembly, installation, adjustment, specifications and troubleshooting
Intended Users:
Professional technicians and DIY owners
Page Count:
N/A - not specified for this manual
Engine Removal and Installation:
Step-by-step removal, refitting and mounting torque specs
Cylinder Head Service:
Valve inspection, clearance adjustment, head resurfacing limits
Piston and Cylinder:
Piston wear limits, ring end gap, bore measurement and honing
Camshaft and Timing:
Cam inspection, timing mark alignment procedures
Lubrication System:
Oil pump inspection, oil pressure testing, oil change procedure
Cooling System:
Radiator service, coolant replacement, thermostat and fan testing
Fuel System:
Carburetor or EFI component service, fuel pump and tank procedures
Transmission / CVT:
CVT drive and driven clutch inspection, belt replacement, calibration
Final Drive:
Gearcase oil service, gear and bearing inspection
4WD System:
Front differential locking mechanism service and troubleshooting
CV Axles and Boots:
Axle removal, joint inspection and boot replacement
Wiring Diagrams:
Complete color wiring schematics
Ignition and Starting:
Starter, CDI/ECU, ignition coil and spark testing
Charging System:
Stator, regulator/rectifier and battery testing
Switches and Instruments:
Handlebar switch, indicator and display diagnostics
Suspension:
Front A-arm and rear shock service, bushing replacement, alignment
Brakes:
Disc pad and rotor service, caliper rebuild, master cylinder and bleeding
Steering:
Tie-rod adjustment, steering inspection and torque specs
Wheels and Tires:
Tire pressure, wheel inspection, lug torque specifications
Frame and Body:
Rack, fender, bumper and frame fastener specifications
Torque Specifications:
Fastener torque tables throughout each section
Special Tools:
Required service tools listed per procedure
Troubleshooting Charts:
Symptom-based diagnostic tables for engine, drive and electrical faults
Maintenance Schedule:
Interval-based service charts
Parts Information:
Exploded diagrams with OEM part numbers where listed
Technical Depth:
Factory-level detail with wear limits, clearances and specifications
File Format:
PDF (searchable, bookmarked, zoomable)
Compatibility:
Windows, macOS, Linux, iOS, and Android — any device with a PDF reader
Requirements:
A PDF reader application (e.g. Adobe Acrobat Reader, free)
Searchability:
Fully text searchable for fast lookup of any topic
Print Quality:
High-resolution digital pages, printable at full clarity
Binding Type:
N/A — digital download, no physical binding
Paper Type:
N/A — digital download, no physical paper
Wheelbase:
Approximately 81 in (2,057 mm)
Ground Clearance:
Approximately 10 in (254 mm)
Fuel Capacity:
Approximately 4.8 gal (18.2 L)
Overall Dimensions:
N/A - confirm exact figures in manual specifications section
Curb Weight:
Approximately 700 lb (318 kg)
Towing Capacity:
N/A - not specified for this model
Braking:
Hydraulic disc brakes front and rear
4WD with Diff Lock:
Improves traction on slippery terrain
Lighting:
Halogen headlight and taillight
Footwells:
Integral rider footwells with grippy flooring
Racks:
Front and rear steel cargo racks for secure load carrying
Crash Test Ratings:
N/A - ATVs are not subject to crash test ratings
Instrument Display:
Digital/analog gauge cluster with speedometer, odometer and indicator lights
Audio System:
N/A - not equipped from factory
Driver Assistance Features:
N/A - not applicable to this ATV class
Selectable Drive Modes:
2WD/4WD selector with front differential lock
Engine Oil and Filter:
Break-in change after first 20 hours, then every 100 hours or 6 months
Air Filter:
Inspect every 50 hours; clean/replace more often in dusty conditions
CVT Belt:
Inspect every 100 hours
Valve Clearance:
Check every 200 hours
Gearcase / Differential Oil:
Change per interval chart in manual
Engine Oil:
SAE 10W-40 API SG or higher, JASO MA rated
Coolant:
Long-life ethylene glycol antifreeze mix
Final Drive Oil:
Per specification chart in the manual
Known Issues / Wear Items
CV Boots:
Common wear item; inspect regularly for tears
Brake Pads:
Regular wear item in muddy or wet conditions
Battery:
Check charge and terminals seasonally
Manufacturer:
Arctic Cat (Thief River Falls, Minnesota, USA)
Background:
Long-established American snowmobile and ATV manufacturer founded in 1960
Model Origin:
Alterra line introduced for 2016, succeeding the Arctic Cat 425/450 utility ATV models
2016 Positioning:
First model year of the Alterra naming, offered in multiple displacement sizes including the 450
Production Location:
N/A - not specified for this model