Tractorpedia.com

Gravely 424

Gravely 424 tractor
View Images
The Gravely 424 is a garden tractor produced from 1967 to 1972 as part of the 400 Series. It features a 10 hp engine option from Kohler or Onan, a 4-speed Swiftamatic 8 shaft-driven gear transmission, and two-wheel drive with manual steering. The tractor has a wheelbase of 46 inches and weighs 900 lbs. It offers optional sleeve hitch and various attachments including mower decks, blade, and snow blower.
Gravely 424garden tractorKohler engineOnan engineSwiftamatic transmissionlawn tractormower decksnow blowerblade400 Series
Power10 hp
Founded40/50" deck
Model424

Technical Specifications

Detailed specifications and technical data for Gravely 424

Engine

Onan NB:1-cylinder, air-cooled
Fuel tank:5 gal (18.9 L)
Rated RPM:3600
Sparkplug:Champion H-10
Engine Oil:Oil capacity 2.5 qts (2.4 L)
Power Onan:10 hp (7.5 kW)
Air cleaner:single dry element
Bore/Stroke:2.87x3.25 inches (73 x 83 mm)
Kohler K241:gasoline, 1-cylinder, air-cooled horizontal-shaft
Displacement:391 cc (23.9 ci)
Power (gross):10 hp (7.5 kW)
Sparkplug gap:0.025 inches (0.635 mm)
Starter volts:12
Engine options:10HP Kohler 391cc 1-cyl gasoline; 10HP Onan 491cc 1-cyl
Rated RPM Onan:3600
Bore/Stroke Onan:3.5625x3.00 inches (90 x 76 mm)
Displacement Onan:491 cc (30 ci)
Starter volts Onan:12
Intake valve clearance:0.009 inches (cold) (0.229 mm)
Exhaust valve clearance:0.018 inches (cold) (0.457 mm)

Dimensions

Width:36.25 inches (92 cm)
Height:43 inches (109 cm)
Length:75.5 inches (191 cm)
Rear tire:23-8.50x12
Wheelbase:46 inches (116 cm)
Front tire:16-6.50x6
Rear tread:28 inches (71 cm)
Front tread:30.5 inches (77 cm)
Shipping weight:900 lbs (408 kg)
Clearance (rear axle):6.375 inches (16 cm)
Clearance (front axle):10 inches (25 cm)

Electrical

Ground:negative
Battery volts:12

Mechanical

Drive:Two-wheel drive
Brakes:Mechanical band brakes
Steering:manual
Operator station:Open operator station

Production

Type:Garden tractor
Series:400 Series
Manufacturer:Gravely
Years produced:1967 - 1972

Attachments

Notes:Garden tractors are capable of using tillers, plows, or other ground-engaging attachments. TractorData does not list details of these attachments.
48" Blade:front-mount, 48 inches width (121 cm), 16.5 inches height (41 cm), Angling 25°, Weight: 130 lbs (58 kg), manual-lift, manual-angle
38" Snow blower:38 inches width (96 cm), two-stage, front-mount, manual-lift, Weight: 250 lbs (113 kg)
40" mid-mount mower deck:40 inches (101 cm), Total width: 43.4 inches (110 cm), 3-blade, manual lift, right-discharge, Cut height: 1.5 to 3.5 inch (3 to 8 cm), Weight: 148 lbs (67 kg)
50" mid-mount mower deck:50 inches (127 cm), Total width: 53.4 inches (135 cm), 3-blade, manual lift, right-discharge, Cut height: 1.5 to 3.5 inch (3 to 8 cm), Weight: 205 lbs (92 kg)

Transmission

Type:shaft-driven gear
Gears:4 forward and reverse
Notes:Two-speed shift-on-the-move affects transmission and PTO speed. Additional two-speed range for transmission can be shifted only when stopped. Right-hand directional clutch lever controls forward and reverse.
Clutch:friction cone
Oil type:SAE 90W-EP
Oil capacity:5 qts (4.7 L)
Transmission:Swiftamatic 8

Tractor hitch

Type:sleeve hitch (Optional)

Related Models

Gravely 810

Model:810

Gravely 430

Model:430