The heavy-duty Ford 4500 backhoe loader is supplied complete with
integral frame and hydraulic system for operation of the Ford 740 loader
having full-height lift capacity of 3750 lbs (1700 kg). The hydraulic
system includes pump, valves and complete reservoir and filtration
system. The integral frame also permits quick, easy mounting of
the Ford 755 high-production backhoe having maximum digging depth of 15
ft., 4 in (102 mm). Heavy-duty diesel engine, or gasoline engine built
to diesel standards of strength.
Heavy-duty front-end construction with tapered boxed beam, fixed
industrial-type axle, including rugged malleable axle support, heavy
spindles and hubs. Transmissions to match all types of job applications.
Long-life disc brakes, completely sealed against grit and moisture,
submerged in oil for maximum heat dissipation. Three sizes of loader
buckets: 23.8 cu.ft (0.67 m3), 27 cu.ft (0.76 m3), and 30.5 cu.ft (0.86
m3), plus a wide selection of laborsaving loader attachments.
Ford 4500 Gasoline Engine
General Specifications
Engine Model ……………………. Ford
Engine Type ……………………. Vertical, three cylinder overhead
valve gasoline
Number of Cylinders ……………………. 3, In-line
Displacement, cu in (L) ……………………. 192 (3.10)
Engine Bore, in (mm) ……………………. 4.40 (112.0)
Engine Stroke, in (mm) ……………………. 4.20 (107.0)
Rated Engine Power, hp (kW) ……………………. 55.3 (41.5)
Maximum Engine Power, hp (kW) ……………………. 58.2 (43.4)
Rated Engine Speed, rpm ……………………. 2200
Maximum Torque, Nm (ft-lbs) ……………………. 198 (146)
Torque Speed, rpm ……………………. 1450
Compression Ratio ……………………. 8:1
Cylinder Block and Components
Cylinder Block ……………………. Extra heavy with deep skirts
and heavy ribs for rigidity
Cylinders ……….. Sleeveless design, increases rigidity of block
Crankshaft ……………………. Nodular iron, with four hardened
main bearing journals
Crankshaft Journal Length, in (mm) ……………………. 1.46 (36.9)
Crankshaft Journal Diameter, in (mm) ……………………. 3.37
(85.3)
Crank Pin Length, in (mm) ……………………. 1.68 (42.5)
Crank Pin Diameter, in (mm) ……………………. 2.75 (69.6)
Connecting Rods ……………………. Massive, forged I-beam. Piston
bushing, bronze on steel backing
Main Bearings ……………………. Sleeve-type, over-plated
copper-lead alloy
Pistons ……………………. Aluminum alloy, fitted with hard,
heat-resistant top ring groove insert
Piston Rings …….. All rings are chrome plated (except lower
compression)
Piston Pin ……………………. Floating type
Piston Pin Length, in (mm) ……………………. 3.5 (88.6)
Piston Pin Outside Diameter, in (mm) ……………………. 1.5
(38.0)
Piston Travel ……………………. 1540 fpm at 2200 engine rpm
Valves ……………………. Positive rotators on exhaust valves
Rocker Arms ……………………. Nodular iron
Intake Valve Outside Diameter, in (mm) ……………………. 1.8
(45.5)
Exhaust Valve Outside Diameter, in (mm) ……………………. 1.51
(38.2)
Camshaft ……………………. High-lift, flat follower type
Lubrication System
Engine Lubrication ……………………. Pressurized main system
Oil Pump ……………………. Gear-type, gear-driven from camshaft
Oil Filter ……………………. Full flow with replacement element,
safety bypass valve
Oil Capacity, qts (L) ……………………. 8.0 (7.6)
Fuel System
Fuel Pump ……………… Eccentric drive from timer idler gear.
Positive supply of fuel to carburetor
Carburetor ……………………. Single venturi, updraft type.
Accelerating well and economizer valve
Air Cleaner ……………………. Dry cartridge type
Air Cleaner Cartridge Diameter, in (mm) ……………………. 6.5
(164.5)
Air Circulation—4-blade, V-belt drive fan
Fuel Tank Capacity, gal (L) ……………………. 16.0 (60.6)
Cooling System
Cooling System ……………………. Pump-circulated
Thermostat ……………………. Controlled, with fixed bypass
Radiator ……………………. Tube-and-fin, with pressure cap
Water Pump Flow, gpm (lpm) ……………………. 28.0 (106.4)
Coolant Capacity, qts (L) ……………………. 15.3 (14.5)
Electrical System
Electrical System Rating, Volts ……………………. 12
Electrical starting and ignition ……………………. Key starter
switch and transmission safety lock
Generator Rating, Amps ……………………. 22
Starting Motor ……………………. With positive engagement drive
assembly
Battery Rating ……………………. 12V, 128Ah
Ford 4500 Diesel Engine
Engine Model ……………………. Ford
Engine Type ……………………. Vertical, direct injection diesel,
with cold weather starting aid
Number of Cylinders ……………………. 3, In-line
Displacement, cu in (L) ……………………. 201 (3.30)
Engine Bore, in (mm) ……………………. 4.40 (112.0)
Engine Stroke, in (mm) ……………………. 4.40 (112.0)
Rated Engine Power, hp (kW) ……………………. 53.2 (40.3)
Maximum Engine Power, hp (kW) ……………………. 56.5 (42.1)
Rated Engine Speed, rpm ……………………. 2200
Maximum Torque, Nm (ft-lbs) ……………………. 203 (150)
Torque Speed, rpm ……………………. 1000
Compression Ratio ……………………. 16.5:1
Firing Order ……………………. 1-2-3
Crankshaft ……………………. Induction-hardened, forged alloy
steel
Pistons ……………………. Aluminum alloy, fitted with Ni-Resist
top ring groove insert
Piston Rings …….. One oil and 3 compression rings; chrome-plated
except bottom compression ring
Piston Travel ……………………. 1613 fpm at 2200 rpm
Injection Pump ……………………. Distributor type with
mechanical governor
Injection Nozzles ……………………. 4-orifice type, accessible
without removing valve cover
Dual Fuel Filters ……………………. Replaceable paper element
Fuel Tank Capacity, gal (L) ……………………. 16.0 (60.6)
Oil Capacity, qts (L) ……………………. 8.0 (7.6)
Coolant Capacity, qts (L) ……………………. 15.3 (14.5)
Electrical System Rating, Volts ……………………. 12
Generator Rating, Amps ……………………. 22
Ford 4500 Power Take-Off
PTO Operational Type (4×4 Transmission) …………………….
Transmission-Drive
PTO Operational Type (10×2 Transmission) …………………….
Independent
PTO Horsepower (Gasoline), hp (kW) ……………………. 45.4 (33.6)
PTO Horsepower (Diesel), hp (kW) ……………………. 45.6 (33.8)
PTO Speed, rpm ……………………. 540
PTO / Engine Speed (4×4 Transmission), rpm …………………….
540/1500
PTO / Engine Speed (10×2 Transmission), rpm …………………….
540/1800
Ford 4500 Backhoe Transmission
Transmission Type ……………………. 10F/2R, Powershift
Number of Forward Gears ……………………. 10
Number of Reverse Gears ……………………. 2
Clutch ……………………. Hydraulic type
Oil Capacity, qts (L) ……………………. 11.0 (10.4)
Maximum Forward Speed, mph (kph) ……………………. 15.5 (24.9)
Maximum Reverse Speed, mph (kph) ……………………. 4.2 (6.8)
A full-range, power-shift transmission that lets operator powershift
into any one of ten forward speeds
Three planetary gear sets in constant mesh
Power flow directed through gear sets by means of hydraulically actuated
clutch packs
Two reverse speeds. Fast, easy shuttle shifting for backfilling and
loader work
Transmission Type ……………………. 4F/4R, Torque Converter
Number of Forward Gears ……………………. 4
Number of Reverse Gears ……………………. 4
Clutch ……………………. Dry disc
Clutch Disc Diameter, in (mm) ……………………. 13 (330)
Clutch Control ……………………. Foot-operated
Maximum Torque Multiplication ……………………. 2.15:1
Oil Capacity, qts (L) ……………………. 17.0 (15.5)
Maximum Forward Speed, mph (kph) ……………………. 15.5 (24.9)
Maximum Reverse Speed, mph (kph) ……………………. 4.2 (6.8)
Provides shock-cushioning, torque multiplying fluid power in combination
with 4×4 transmission
In any gear, automatically matches engine power to the load
Power reverse lever easily moved with left hand. Converter stall speed,
approximately 1750 engine rpm
Converter cooling system includes entire transmission and reverse oil
supply
Heat exchanger is located in bottom radiator tank. Signal light
indicator for converter oil temperature
Rear Axle and Brakes
Final Drive … Double reduction with straddle-mounted, 4-pinion
differential, plus planetary gear
Rear Axle ……………………. Semi-floating with forged steel axle
shafts
Heavy-Duty Rear Axle Housings Capacity, lbs (kg)
……………………. 9000 (4100)
Brakes … Mechanical. Self-energizing wet discs, fully enclosed
Brake Disc Diameter, in (mm) ……………………. 8 (203)
Number of Disc Each Axle ……………………. Four
Rear Axle Capacity, qts (L) ……………………. 26.3 (25.0)
Front Axle and Steering
Front Axle ….. Non-adjustable tapered welded boxed beam, fabricated of
high strength steel
A heavy malleable axle support bolts to the cast engine pan as well as
to the engine block for extra strength
Heavy truck-type spindles, bearings, pin, and specially forged steering
arms are used
Front Axle Pivot Pin Diameter, in (mm) ……………………. 1.13
(28.6)
Front Axle Pivot Pin Length, in (mm) ……………………. 11 (280)
Static Rated Load Capacity, lbs (kg) ……………………. 8500
(3860)
Dynamic Rated Load Capacity, lbs (kg) ……………………. 34000
(15450)
Steering System ….. Center pivot, power assist, with cylinder
protected within axle support member
Steering Pump ……………………. Engine-mounted, gear-driven,
gear-type hydraulic pump
Steering Pump Flow, gpm (lpm) ……………………. 4.2 (16.0)
Steering Cylinder Stroke, in (mm) ……………………. 4.62 (117)
Steering Cylinder Diameter, in (mm) ……………………. 2.75 (70)
Ford 4500 Backhoe Hydraulic System
Hydraulic System Type ……………………. Live hydraulic
Hydraulic Pump ……………………. Engine-mounted, piston-type
pump
Hydraulic Pump Flow, gpm (lpm) ……………………. 4.8 (18.3)
Hydraulic Relief Pressure, bar (psi) ……………………. 173
(2500)
Oil Capacity, qts (L) ……………………. 14.0 (12.7)
Filters … Double filter; fine mesh, screen type intake filter
Number of Standard Remote Valves ……………………. 3
Remote control valves to control single-acting or double-acting remote
cylinders are available
Control ….. Draft or Position control. Flow control for adjusting
speed of draft control reaction
3-Point Hitch Category ……………………. 2
Hydraulic Lifting Force 24-in Rear of Lower Link Balls, lbs (kg)
……………………. 2000 (910)
Ford 4500 Backhoe Dimensions and Weight
Front Tire Sizes ……………………. 7.50×16 8-ply
Rear Tire Sizes ……………………. 16.9×24-R4 6-ply
Wheelbase, in (mm) ……………………. 79.4 (2010)
Overall Height (Over loader posts), in (mm) ……………………. 61
(1545)
Overall Length (Loader bucket lip on ground, to rear tires), in (mm)
………….. 177 (4480)
Overall Width (60-in Tread), in (mm) ……………………. 74.9
(1895)
Ground Clearance (Under front axle), in (mm) …………………….
12 (305)
Front Wheel Tread (Fixed), in (mm) ……………………. 56 (1420)
Rear Wheel Tread (adjustment range), in (mm) …………………….
60-76 (1520-1920)
Turning Radius (with brakes), in (mm) ……………………. 194
(4910)
Turning Radius (without brakes), in (mm) ……………………. 204
(5160)
Weight (without loader), lb (kg) ……………………. 4510 (2045)
Weight (with loader), lb (kg) ……………………. 7233 (3280)
Ford 740 Loader Specifications
Loader Model ……………………. Ford 740
Bucket width, in (mm) ……………………. 71.5 (1810)
Height (to pin), in (mm) ……………………. 129 (3270)
Clearance, dumped bucket, in (mm) ……………………. 104.5 (2650)
Dump angle, degrees ……………………. 42
Reach at ground, in (mm) ……………………. 75 (1900)
Rollback angle, degrees ……………………. 30
Breakout force (lift), lb (kg) ……………………. 6000 (2720)
Lift to full height (at pin), lb (kg) ……………………. 3750
(1700)
Weight, lb (kg) ……………………. 1400 (635)
Ford 755 Backhoe Specifications
Backhoe Model ……………………. Ford 755
Transport height, in (mm) ……………………. 135 (3420)
Bucket width, in (mm) ……………………. 24 (600)
Digging depth, in (mm) ……………………. 184 (4670)
2-Foot flat digging depth, in (mm) ……………………. 177 (4490)
Reach from pivot, in (mm) ……………………. 216 (5480)
Loading height, in (mm) ……………………. 120 (3040)
Bucket Rotation, degrees ……………………. 194
Swing Arc, degrees ……………………. 185
Weight, lb (kg) ……………………. 2700 (1224)
________________________________________________________________________________
Â