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Cub Cadet 73

Cub Cadet 73 tractor
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The Cub Cadet 73 is a garden tractor produced from 1969 to 1971 by Cub Cadet, a part of International Harvester. It features a 7 hp Kohler K-161 1-cylinder air-cooled gasoline engine with 262 cc displacement. The tractor offers 3-speed and optional 6-speed gear transmissions with a 4.5-inch dry disc clutch. It has two-wheel drive, manual steering, and dry disc brakes. The tractor includes a rear transmission PTO and optional three-point hitch. Dimensions include a 43-inch wheelbase, 64-inch length, and 570 lbs shipping weight. Attachments include various mid-mount mower decks, snowblowers, and blades.
Cub Cadet 73garden tractorKohler K-161 engine7 hp3-speed transmission6-speed creeperPTOmower deckssnowblowerbladetractor specifications
Power7 hp
Founded38/42/48" deck
Model73

Technical Specifications

Detailed specifications and technical data for Cub Cadet 73

Engine

Type:gasoline
Model:Kohler K-161
Power:7 hp (5.2 kW)
Torque:11.2 lb-ft (15.2 Nm)
Cooling:air-cooled
Idle RPM:1000-3800
Cylinders:1-cylinder
Fuel tank:1.25 gal (4.7 L)
Point gap:0.020 inches (0.508 mm)
Rated RPM:3600
Sparkplug:Champion J-8
Torque RPM:2200
Bore/Stroke:2.875x2.50 inches (73 x 64 mm)
Compression:6.2:1
Displacement:262 cc (16 ci)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:12
Engine oil capacity:1.25 qts (1.2 L)
Intake valve clearance:0.006 inches (cold) (0.152 mm)
Exhaust valve clearance:0.017 inches (cold) (0.432 mm)

Electrical

Ground:negative
Battery volts:12
Charging amps:15
Charging system:generator

Mechanical

Drive:Two-wheel drive
Brakes:Dry disc brakes
Steering:manual
Operator station:Open operator station with steel pan seat

Production

Series:1X6/1X7 Series
Built in:Louisville, Kentucky, USA
Years made:1969 - 1971

Attachments

Overview:38" mid-mount mower deck, 42" mid-mount mower deck, 48" mid-mount mower deck, snowblower, blade
42" Blade:front-mount, 42 inches width (106 cm), 16 inches height (40 cm)
38" Mower deck:38 inches (96 cm), manual lift, electric optional lift, Cut height: 1 to 4 inch (2 to 10 cm)
42" Mower deck:42 inches (106 cm), manual lift, electric optional lift, Cut height: 1 to 4 inch (2 to 10 cm)
48" Mower deck:48 inches (121 cm), manual lift, electric optional lift, Cut height: 1 to 4 inch (2 to 10 cm)
36" Snow blower:Cub Cadet QA-36, 36 inches width (91 cm), two-stage, front-mount, 170 lbs (77 kg)
42" Snow blower:Cub Cadet QA-42, 42 inches width (106 cm), two-stage, front-mount, 180 lbs (81 kg)

Transmission

Type:gear
Gears:3 forward and 1 reverse (standard), 6 forward and 2 reverse (creeper)
Clutch:4.5-inch dry disc
Options:3-speed gear, 6-speed
Controls:1: Clutch/brake, 2: Throttle, 3: Gear shift
Oil type:IH Hy-Tran
Oil capacity:3.5 qts (3.3 L) transmission, 0.5 qts (0.5 L) creeper
Creeper range:Optional creeper range is engaged by a lever on the left side of the drive line

Tractor hitch

Type:Cub Cadet three-point Optional

Dimensions & Tires

Width:33.25 inches (84 cm)
Length:64 inches (162 cm)
Rear tire:6-12
Wheelbase:43 inches (109 cm)
Front axle:Cast-iron
Front tire:4.80/4.00-8
Rear tread:27 inches (68 cm)
Front tread:27 inches (68 cm)
Shipping weight:570 lbs (258 kg)
Ground clearance:6 inches (15 cm)
Height (steering wheel):39.75 inches (100 cm)

Power Take-off (PTO)

Clutch:mechanical dry disc
Rear PTO:transmission
Rear PTO Type:515 (0.937)
Front PTO Type:3600