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434
434 Backhoe Loader
434
Side Shift Backhoe Loaders
The Cat® 434 Backhoe Loader provides a proven engine, improved operator comfort, greater lifting performance, an optional powershift transmission, an Excavator Style Boom, powerful and efficient hydraulics, three Power Management Modes, and Product Link™.
Power - Net
87 hp/64 kW
Torque Rise (net)
at 1,400 rpm
Net Power Rating at 2,200 rpm - ISO 9249
65 kW/88 hp
Stroke
5 in/127 mm
Key Features
Proven Cat® Engine 
Improved Operator Comfort
Greater Lifting Performance
Powershift Transmission (Optional)
Excavator Style Boom
Powerful and Efficient Hydraulics
Product Link™
Specifications
Metric
|
Imperial
Engine 
Power - Net
87 hp
64 kW
Engine - Standard Offering Tier 2 Equivalent
Torque Rise (net)
at 1,400 rpm
Net Power Rating at 2,200 rpm - ISO 9249
65 kW/88 hp
Stroke
5 in
127 mm
Torque Rise (net) - SAE J1349 Net
283 lbf
384 N·m
Note
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.
Power Rating Conditions - No De-Rating Required Up To
7500 ft
2286 m
Net Power Rating at 2,200 rpm - SAE J1349
64 kW/87 hp
Bore
4.1 in
105 mm
Displacement
269 in³
4.4 l
Ratings at 2,200 rpm - Gross Power ISO 14396
68 kW/93 hp
Engine
3054C 68.5 kW Mechanical Turbo
Ratings at 2,200 rpm - Gross Power SAE J1995
69 kW/94 hp
Engine - Optional Offering Tier 2 Equivalent
Engine
3054C 74.5 kW Mechanical Turbo
Net Power Rating at 2,200 rpm - ISO 9249
71 kW/96 hp
Displacement
269 in³
4.4 l
Stroke
5 in
127 mm
Torque Rise (net) - SAE J1349 Net
293 lbf
397 N·m
Note
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.
Power Rating Conditions - No De-Rating Required Up To
7500 ft
2286 m
Ratings at 2,200 rpm - Gross Power SAE J1995
75 kW/102 hp
Ratings at 2,200 rpm - Gross Power ISO 14396
74 kW/101 hp
Torque Rise (net)
at 1,400 rpm
Bore
4.1 in
105 mm
Net Power Rating at 2,200 rpm - SAE J1349
70 kW/95 hp
Engine - Optional Offering Tier 3 Equivalent
Bore
4.1 in
105 mm
Power Rating Conditions - No De-Rating Required Up To
7500 ft
2286 m
Ratings at 2,200 rpm - Gross Power SAE J1995
76 kW/104 hp
Engine
C4.4 74.5 kW Mechanical – Turbo Intercooled
Ratings at 2,200 rpm - Gross Power ISO 14396
75 kW/101 hp
Torque Rise (net) - SAE J1349 Net
294 lbf
398 N·m
Torque Rise (net)
at 1,400 rpm
Stroke
5 in
127 mm
Note
Net power advertised is the power available at the flywheel when the engine is equipped with fan, air cleaner, muffler and alternator.
Net Power Rating at 2,200 rpm - ISO 9249
70 kW/95 hp
Displacement
269 in³
4.4 l
Net Power Rating at 2,200 rpm - SAE J1349
69 kW/94 hp
Transmission - Power Shuttle Transmission (Standard)
Forward - 4th
22.4 mile/h
36 km/h
Forward - 3rd
13 mile/h
21 km/h
Reverse - 1st
3.7 mile/h
6 km/h
Forward - 2nd
5.6 mile/h
9 km/h
Forward - 1st
3.7 mile/h
6 km/h
Reverse - 2nd
5.6 mile/h
9 km/h
Reverse - 4th
22.4 mile/h
36 km/h
Reverse - 3rd
13 mile/h
21 km/h
Transmission - Powershift Transmission (Optional)
Forward - 4th
24.9 mile/h
40 km/h
Forward - 2nd
6.2 mile/h
10 km/h
Reverse - 3rd
16.8 mile/h
27 km/h
Reverse - 2nd
7.5 mile/h
12 km/h
Forward - 3rd
12.4 mile/h
20 km/h
Reverse - 1st
3.7 mile/h
6 km/h
Forward - 1st
3.7 mile/h
6 km/h
Transmission - Auto-Shift Transmission with Lock-Up Torque Converter (Optional)
Forward - 5th
16.8 mile/h
27 km/h
Forward - 2nd
6.2 mile/h
10 km/h
Reverse - 2nd
7.5 mile/h
12 km/h
Reverse - 3rd
16.8 mile/h
27 km/h
Forward - 4th
12.4 mile/h
20 km/h
Forward - 3rd
7.5 mile/h
12 km/h
Forward - 1st
3.7 mile/h
6 km/h
Reverse - 1st
3.7 mile/h
6 km/h
Forward - 6th
24.9 mile/h
40 km/h
Axle Ratings
Rear Axle - Static
50627 lb
22964 kg
Rear Axle - Dynamic
20252 lb
9186 kg
Front Axle (AWD) - Dynamic
20252 lb
9186 kg
Front Axle (AWD) - Static
50627 lb
22964 kg
Weights
Operating Weight - Nominal
20311 lb
9213 kg
Operating Weight - Maximum
25353 lb
11500 kg
Operating Weight - ROPS Capacity - Maximum
25353 lb
11500 kg
MP Bucket (1.15 m3/1.50 yd3) - Without Fold-Over Forks
1711 lb
776 kg
Auto-Shift Transmission
207 lb
94 kg
Counterweights - Maximum
254 lb
115 kg
Extendible Stick - Excludes Front Counterweight
448 lb
203 kg
Counterweights - Base
254 lb
115 kg
Ride Control
33 lb
15 kg
MP Bucket (1.15 m3/1.50 yd3) - With Fold-Over Forks
2150 lb
975 kg
Operating Weight
20311 lb
9213 kg
Cab - ROPS/FOPS
STD
Total Gross Weight Not to Exceed
25353 lb
11500 kg
Note
Machine Configuration – LRC 74.5 kW engine; standard stick hoe; standard cab with A/C; AWD standard shift transmission; 1.15 m³; MP loader bucket; 610 mm standard duty hoe bucket; 440/80R24 tires; no counterweight; 80 kg operator; full fuel tank.
Minimum Counterweight Recommendations - Standard Stick - Loader Bucket - Parallel Lift - MP
Minimum Counterweight Recommendations - Extendible Stick - Loader Bucket - Parallel Lift - MP
Minimum Counterweight Recommendations - Extendible Stick - Loader Bucket - Parallel Lift - GP
Minimum Counterweight Recommendations - Standard Stick - Loader Bucket - Parallel Lift - GP
Air Conditioning
STD
Hydraulic System
System Pressure - Loader
3626 psi
250 bar
System Pressure - Backhoe
3626 psi
250 bar
Pump Type
Variable-Flow, Axial Piston
Type
Closed Center
Pump Capacity @ 2,200 rpm
42.3 gpm
160 L/min
Steering
AWD Cylinder, One (1) Double Acting - Stroke
4.6 in
117 mm
AWD Cylinder, One (1) Double Acting - Rod Diameter
1.7 in
42 mm
AWD Cylinder, One (1) Double Acting - Bore
3.3 in
85 mm
Power Steering
Hydrostatic
Type
Front Wheel
AWD Cylinder, one (1) Double-acting - Axle Oscillation
±8°
Turning Circle (28" Tires) - AWD (inner wheel not braked) - Outside Widest Loader Bucket
41.34 ft
12.6 m
Turning Circle (28" Tires) - AWD (inner wheel not braked) - Outside Front Wheels
32.15 ft
9.8 m
Service Refill Capacities
Transmission - Power Shuttle - AWD
4.8 gal (US)
18 l
Hydraulic Tank
11.1 gal (US)
42 l
Diesel Exhaust Fluid
5 gal (US)
19 l
Fuel Tank
42.3 gal (US)
160 l
Engine Oil - With Filter
2.4 gal (US)
9 l
Cooling System - A/C
4.6 gal (US)
17.5 l
Hydraulic System
25.1 gal (US)
95 l
Rear Axle
4.2 gal (US)
16 l
Rear Axle - Planetaries
0.4 gal (US)
1.7 l
Transmission (Powershift) - AWD
5 gal (US)
19 l
Front Axle
3.7 gal (US)
14 l
Front Axle - Planetaries
0.4 gal (US)
1.7 l
Transmission
Note
Travel speeds of backhoe loader at full throttle, when equipped with 440/80-28 rear tires.
Equipment
Standard Equipment
Optional Equipment
Width
36 in/914 mm
Capacity
10.2 ft³/290 l
Drive Shaft Torque at Maximum Pressure
5037.5 lb/ft/6830 N·m
Drive Method
Gerotor Motor - Double Planetary Reduction
