Specifications, Service and Repair of Farm and Lawn Tractors

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John Deere X948 Specs

John Deere X948 Engine Specifications

Engine Model - Yanmar 3TNM72
Engine Type - Vertical In-line, Water Cooled, 4-Cycle Diesel Engine
No. of Cylinders - 3
Bore x Stroke - 2.83 x 2.91 in. (72 x 74 mm)
Displacement - 55.1 cu in. (0.904 L)
Max. Rated Power - 22 HP (16.5 kW)
Normal Oil Pressure at Rated Engine Speed - 34.8-63.8 psi (0.240-0.440 MPa)
Normal Oil Pressure at Low Idle Speed - 8.5 psi (0.06 MPa) or greater
Combustion System - Swirl Chamber (Ball Type)
Starting System - Electric Starting
Cooling System - Radiator
Lubricating System - Forced Lubrication with Trochoid Pump
PTO Position - Flywheel End
Direction of Rotation - Counterclockwise Viewed from Flywheel End
Aspiration - Natural
Electric Starting - Starter Motor: DC12V, 1.6 hp (1.2 kW)
Dynamo: DC12V, 20A
Recommended Battery Capacity: 12V, 36 Amp-Hour (5h rating)
Dimensions (LxWxH) - 19.5 x 16.8 x 21.3 in. (497 x 427 x 542 mm)
Engine Coolant Capacity - 0.26 gal (1.0 L)
Standard Cooling Fan - 12.2 in. (310 mm) O.D., 5 Blade Pusher-Type
Crank / Fan V-pulley Dia. - 3.9 / 3.5 in.(100 mm / 90 mm)
Intake / Exhaust Valve Gap - 0.006-0.010 in (0.15-0.25 mm)
Thermostat - Full Opening Lift Temperature

JD X948 Power Take-off

Rear PTO - Independent
Rear RPM - 540
Mid PTO - Independent
Clutch - Electro-hydraulic
Mid RPM - 2000

John Deere X948 Drive Train

Transmission Type - Hydrostatic
Drive System - Twin Touch Foot Pedals, 4-Wheel Drive
Number of Speeds - Infinite
Mid-mounted PTO Drive Speeds - 2000 rpm
Rear PTO (if equipped) Drive Speeds - 540 rpm
Forward Speeds - 0 to 13,7 km/h (0 to 8,5 mph)
Reverse Speeds - 0 to 8,1 km/h (0 to 5,0 mph)
Brakes Type - Internal wet disc
Steering - Hydrostatic power, 6-position tilt steering wheel
Steering Type - 2 Front Wheel Steer
Turning Radius, cm (in) - 60,0 (23,6)

JD X948 Tire Sizes

Front Tire - 18x8.50-10, Turf, 4PR
Rear Tire - 26x12.00-12, Turf, 4PR
Front Tire Pressures - 69-103 kPa
Rear Tire Pressures - 41-69 kPa

Capacities

Fuel Tank - 19.7 L (5.2 gal.)
Four-Wheel Steer Transaxle (with filter) - 5.6 L (6.0 qt.)
HFWD System Transaxle (with filter) - 6.8 L (7.2 qt.)
Cooling System - 2.8 L (3.0 qt.)
Engine Oil (with filter) - 3.2 L (3.4 qt.)
Full Time 4WD (HFWD) Front Drive Axle - 5.0 L (5.3 qt.)

John Deere X948 Attachments

48" Mower Deck

Mower Deck Type - Stamped Steel, Rolled Edges
PTO Engagement - Electric Drive Clutch
Deck Lift / Lower - Hydraulic
Cutting Height - 25-133 mm (1-5.25 in.) increments 6 mm / 0.25 in
Cutting Width - 1220 mm (48 in.)
Number of Blades - 2
Pre-Set Height of Cut - Std

54" Mower Deck

Mower Deck Type - Stamped Steel, Rolled Edges
PTO Engagement - Electric Drive Clutch
Deck Lift / Lower - Hydraulic
Cutting Height - 25-133 mm (1-5.25 in.) increments 6 mm / 0.25 in
Cutting Width, cm (in.) - 1370 mm (54 in.)
Number of Blades - 2
Pre-Set Height of Cut - Standard

60" Mower Deck

Mower Deck Type - Stamped Steel, Rolled Edges
PTO Engagement - Electric Drive Clutch
Deck Lift / Lower - Hydraulic
Cutting Height - 25-133 mm (1-5.25 in.) increments 6 mm / 0.25 in
Cutting Width, cm (in.) - 1520 mm (60 in.)
Number of Blades - 2
Pre-Set Height of Cut - Standard

John Deere X948 Dimensions

Length - 1905 mm (75 in.)
Height without cab, ROPs folded - 1611 mm (64.4 in.)
Height without cab, ROPs up - 1982 mm (78 in.)
Height with cab - 1888 mm (74.3 in.)
Weight, no fuel or Mower Deck - 513 kg (1132 lb)
Width w/o Deck - 1194 mm (47 in.)
Ground Clearance - 180 mm (7.1 in.)
Wheelbase - 1415 mm (55.7 in.)

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JOHN DEERE LAWN TRACTORS SPECIFICATIONS

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ENGINES FOR JOHN DEERE LAWN TRACTORS

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JOHN DEERE TRACTORS ATTACHMENTS
420 430 455 790 990
X300 X320 X330 X350 X475
X485 X500 X540 X570 X590
X700 X720 X738 X758 1023E
2025R 2210 2520 3025E 3032E
3038E 3038R 3039R 3046R 3203
3320 3520 4052R 4066R 4100
4105 4115 4200 4310 4320
4400 4410 4520 4600 4720

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JOHN DEERE FRONT END LOADERS

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JD TRACTORS TROUBLESHOOTING
2640 3040 3310 3650 4100
5050D 5090R 5410 6105R 7200R
E130 L111 LA110 LT155 X300R

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JOHN DEERE FARM TRACTORS SPECIFICATIONS

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