Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere 280 Specs

JD 280 Engine Specifications

Engine Model - SL2105ABT-27
Engine Type - Vertical, water cooled, four stroke, direct injection
Aspiration - Natural
Cylinders - 2
Bore (mm) - 105
Stroke (mm) - 117
Displacement (L) - 2.026
Engine Power at rated rpm kw (hp) - 20.6 (28.02)
Rated Speed (rpm) - 2200
Max Torque (Nm) - 104.6
Speed at Max Torque (rpm) - 1500-1725
Slow Idle (rpm) - 750±30
High Idle (rpm) - 2376
Rated Fuel Consumption - 258
Emission - Stage 2
Electrical System - 12V, Negative Ground
Battery - 95D31L, 12V, 85Ah
Starter - QDJ1308L, 12V, 3kw
Alternator - JFWZ13, 14V, 350W

John Deere 280 Transmission

Connection Type - Direct transmission
Standard Clutch - Dry type, often jointing, single plate, non independent, single clutch
Optional Clutch - Dry type often jointing, single plate, semi independent, dual clutch
Standard Coupling Type (single clutch) - Nylon tooth type
Optional Coupling Type (dual clutch) - Ball type
Transmission Type - Complex (4+1)x2, 8 gears forward, 2 gears reverse, spur gear, sliding gear shift
Middle Drive - Spiral bevel gear pair, Ratio: 4.3
Differential - Closed, 2 planet spur bevel gears type
Final Drive - Built-in single external spur gear type, Ratio: 4.077

John Deere 280 Power Take-Off

PTO Type - Non Independent, Sliding Gear Shift
Standard Speed (r/min) (ratio) - 540 (13/48), 720 (16/45)
Optional Speed (r/min) (ratio) - 540, 1000 (21/42)
Shaft Diameter (Standard/Optional) - 38 mm, 8-teeth Spline Shaft / 35 mm, 6-teeth Rectangle Spline Shaft
Rotation Direction - Clockwise (from back)
Max Output Power (Rated Engine Speed) kw - 17.7
Average Fuel Consumption Ration in Different Load (g/kwh) - 350
Torque Reserve Ratio (%) - 15
Speed (Max Torque) / Rated Speed (%) - 75

Chassis

Type - 2WD
Front Axle - Adjustable tread, U type, Telescopic pipe type
Front Wheel - 4.00-16 (optional 5.00-15)
Rear Drive Wheel - 9.5-24 (optional 11.2-24) (optional 9.5-24 Paddy field tire)
Front Tire Pressure (kpa) - 275-330
Rear Tire Pressure (kpa) - 80-120
Front Wheel Toe-In (mm) - 3-11
Camber angle - 2 degrees
Steering knuckle shaft inclination angle - 8 degrees
Steering knuckle shaft caster - 0 degrees

JD 280 Steering and Brakes

Steering - Mechanical
Steering Gear Type - Globoid worm, Roller type
Steering trapezoid type - Prefix
Steering Wheel Diameter (mm) - 406
Steering Column Angle - 60 degrees
Front Wheel Max Steering Lock - 45 degrees
Service Brake - Dry type, Shoe type, Automatic compensation wear gap, Mechanical actuated
Parking Brake - Locking pedal type
Trailer Brake - Air Brake, Air Charging Brake

John Deere 280 Hydraulics and Hitch

Type - Open, Semi independent
Tilling Depth Control - Draft Control, Position Control, Float Control
Hydraulic Pump - CBN-L310 or CBN-E310BLB
Pump Flow (Engine Speed) (L/min) - 18 (2200 r/min)
Cylinder Diameter x Stroke (mm) - 80x101
Rated Pressure (Mpa) - 16
Max Pressure (Mpa) - 17-18
Max Output Power (kw) - 5.1

Dimension and Weight

Length (with hitch) - 2870 (mm) / 109.45 (in.)
Width (to outer edge of rear wheel) - 1460 (mm) / 57.48 (in.) (with 3 ballasts)
Height (top of exhaust pipe) - 1950 (mm) / 76.77 (in.)
Height (top of steering wheel) - 1375 (mm) / 54.13 (in.)
Front Wheel - 1150-1450 (1150) (mm) / 45.28-57.09 (45.28) (in.)
Rear Drive Wheel - 1200-1400 (1200) (mm) / 47.24-55.12 (47.24) (in.)
Wheelbase - 1570 (mm) / 61.81 (in.)
Min Ground Clearance - 315 (mm) / 12.40 (in.)
Operating Weight - 1175 (kg) / 2590 (lb.)

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