Every published spec for both machines, side by side. The verdict below is computed straight from the spec sheets, not opinion.
Across 3 measurable specs, this matchup is a dead heat: 1 categories to the TYM 4520, 1 to the TYM 4815C, 1 tied. Machine pages: TYM 4520 and TYM 4815C.
Every published spec, side by side, including the details the graphs above don't chart.
Spec
TYM4520
TYM4815C
Engine Manufacturer
Yanmar
TYM
Engine Model
4TNE-88
T2300N2
Engine Type
Diesel, liquid-cooled
4-cylinder, naturally aspirated diesel
No. of Cylinders
4
4
Displacement
133.6 in³
139.5 in³
Rated Engine Speed
2600 rpm
2600 rpm
Engine Power (Gross)
45 hp
48 hp
PTO Power
40 hp
40 hp
Engine Emissions Constraints
Not Published
Tier 4
Cooling System Type
Liquid-cooled
Liquid-cooled
Air Cleaner
Dry element
Dry element
Fuel System
Not Published
IDI
Alternator
Not Published
70 A, 12 V
Pump Type
Not Published
Dual gear pump
Implement Flow
Not Published
11.4 gpm
Steering Flow
Not Published
5.2 gpm
Total Hydraulic Flow
Not Published
16.5 gpm
Overall Hydraulic Pump Flow
Not Published
16.5 gpm
Hydraulic System Type
Not Published
Open center
Rear Remote Hydraulic Flow
Not Published
Not Published
No. of Standard Remote Valves
Not Published
Rear: 0 (loader: 4)
No. of Optional Remote Valves
Not Published
Up to 4
Fuel Tank Capacity
10.6 gal
7.1 gal
Coolant Capacity
Not Published
6.2 qt
Crankcase Capacity
Not Published
4.8 qt
Transmission / Hydraulic System Capacity
Not Published
9.8 gal
Front Axle Fluid Capacity
Not Published
6.8 qt
PTO Type
Transmission-driven
Independent
PTO Rear
540 / 1000 rpm
540 rpm
Mid-PTO Availability
Not Published
Not Published
Category, 3-Point Hitch
Category I
Category I
Hitch Lift Capacity
Not Published
3,306 lb
Hitch Lift Capacity (at 24”)
Not Published
2,425 lb
Lift Control Type
Not Published
Position control
Transmission Type
Synchronized shuttle
HST (hydrostatic)
No. of Speeds
12F/12R
3-range hydrostatic
Max Travel Speed (Forward)
Not Published
18 mph
Max Travel Speed (Reverse)
Not Published
17.95 mph
Clutch
Not Published
Not Published
Differential Lock & Limited Slip Options
Not Published
Differential lock (standard)
Frame Type
Not Published
Not Published
Steering
Hydrostatic power steering
Hydrostatic
Brakes
Wet disc
Wet, multi-disc
Seat Suspension & Adjustability
Not Published
Suspension seat
Front Axle Type
4WD (MFWD)
Not Published
Front Axle Rating
Not Published
Not Published
Drawbar Capacity
Not Published
Not Published
Overall Length with 3-Point Hitch
129.7 in
120.9 in
Overall Width
60 in
55.6 in
Wheelbase
68.8 in
65.7 in
Ground Clearance
12.2 in
13.1 in
Min. Turn Radius without Brakes
Not Published
124.8 in (left); 121.3 in (right)
Height to Top of ROPS
86.4 in
Not Published
Height to Top of ROPS (folded)
Not Published
Not Published
Height to Top of Cab Model
Not Published
89.3 in
Tractor Weight (Base)
3,624 lb
3,587 lb
Weight with ROPS and Loader
Not Published
Not Published
Weight with Cab and Loader
Not Published
4,595 lb
Tire Size & Options
Agricultural: 8-18 front / 12.4-28 rear
R1 Agricultural, R4 Industrial
R1 Agricultural - Front
8-18
7-16
R1 Agricultural - Rear
12.4-28
11.2-24
R3 Turf - Front
Not Published
Not Published
R3 Turf - Rear
Not Published
Not Published
R4 Industrial - Front
Not Published
28x8.5-14
R4 Industrial - Rear
Not Published
15-19.5
Quick Attach Loader System
Not Published
BL150C: quick attachment assembly
Loader Model
Not Published
BL150C
Loader Lift Height
Not Published
BL150C: 104.9 in
Loader Lift Capacity (Full Height)
Not Published
BL150C: 2,200 lb
Loader Breakout Force
Not Published
BL150C: 3,422 lb
Warranty Length & Coverage
Not Published
Bumper-to-bumper 24 months or 2,000 hours (parts and labor); powertrain 72 months or 3,000 hours for non-commercial use (36 months or 2,000 hours rental and commercial); loaders and backhoes 12 months
